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AI identification is probabilistic and is not authentication. Inspect the original listing and item yourself before purchasing.

Photos

Listing

Title
Vintage Navy Leather Purse 
Source
Poshmark
Seller's brand
Vintage
Category
Bags
Current bid
—
Buy-now price
$150.00
Shipping
—
Location
—
Ends
— (—)
Discovered
2026-09-16 19:16
Last seen
2026-09-20 02:20

View original auction →

Seller's description

Navy blue purse. Vintage leather over a hard plastic base so the purse keeps its shape. Beautiful gold details and chain strap attached to a long leather shoulder strap. Purse is 14” at its widest point, 4.5” in depth, and 10” at its base.

AI analysis

Model / prompt
ensemble:openai:gpt-5.6-luna+meta:muse-spark-1.3-contributor (prompt v2)
Analyzed at
2026-09-16 23:34
Is handbag
98%
Coach probability
4% (possible, not confirmed)
Vintage probability
31%
Authenticity confidence
3%
Image quality
67%
Seller misidentification
11%
Coach score
0.13
Opportunity score
0.07
Deal score
0.04
Estimated era
modern (2000s+), non-Coach
Possible models
—

Evidence

POSITIVE
  • photo 1: Structured leather-appearing handbag with gold-tone chain and shoulder straps.
  • photo 4: Interior appears to have multiple compartments and zipper openings.
  • photo 1, photo 2: leather handbag in navy with shoulder strap, the population where misidentified bags can hide, but no Coach-specific cue
  • photo 3: smooth leather grain close-up shows leather material, not nylon/PVC/faux disqualifier
NEGATIVE
  • photo 1: No visible COACH wordmark, horse-and-carriage, or Coach hangtag.
  • photo 1: The decorative gold circular fittings and chain construction do not resemble a classic Coach turnlock or typical vintage Coach hardware.
  • photo 1: Ribbed side panels and highly structured silhouette are not a clear match for the listed vintage Coach catalog models.
  • photo 4: Interior is visible but no sewn Coach creed patch or fabric Coach label can be seen.
  • photo 3: Leather surface appears heavily textured or coated; classic vintage Coach glove-tanned leather is not established by this image.
  • photo 2: The long narrow shoulder straps and chain sections suggest a generic fashion handbag rather than a recognizable vintage Coach construction.
  • photo 1, photo 2, photo 4: no creed patch, no COACH wordmark, no horse-and-carriage, no hangtag visible
  • photo 1, photo 2: bright gold-tone chunky chain strap with large round medallion anchors, not vintage Coach solid-brass dogleash/buckle/turnlock hardware
  • photo 1, photo 2, photo 3: quilted horizontal ribbed side panels and structured tote with hard base per seller text, not Coach glove-tanned classic construction
  • photo 4: zip-top closure with dark lined interior, not unlined suede-back glove-tanned classic interior
  • photo 1, photo 2: no turnlock closure visible
MISSING INFORMATION
  • Straight-on close-up of every interior wall and pocket, especially any small leather creed patch.
  • Close-ups of all hardware, zipper pulls, fittings, and strap attachments.
  • Back, bottom, side, and corner views to assess construction and condition.
  • Any interior fabric labels, embossed markings, or country-of-origin stamps.
  • Seller-stated material confirmation, since the photos do not establish whether the exterior is genuine leather.
  • photo of interior back wall / slip pocket for creed patch straight-on in raking light
  • photo of any interior fabric/leather brand label or Made-in line
  • photo of bottom, corners and sides for condition
  • close-up of hardware stamps, zipper pull brand, and hangtag if present
  • seller-stated dimensions already given but scale photo and strap-length detail would help model exclusion
AUTHENTICITY CONCERNS
  • ⚠ No Coach identifier is visible despite an interior view being provided.
  • ⚠ The design and hardware appear more consistent with a generic or non-Coach fashion handbag than with a documented vintage Coach model.
  • ⚠ The seller's use of 'vintage' is not supported by a visible Coach-era identifier.
  • ⚠ photo 1, photo 2: oversized bright gold-tone chain and large decorative medallion studs inconsistent with vintage Coach solid-brass hardware vocabulary
  • ⚠ photo 1, photo 2: quilted/ribbed panel construction and chain-plus-thin-leather strap inconsistent with 1970s-1990s Coach glove-tanned classics
  • ⚠ no Coach identifier visible in any photo to support Coach manufacture

Observed features

creed present no
serial or style number present no
coach wordmark present no
turnlock present no
hangtag present no
creed text not_visible
serial or style number not_visible
hardware description photo 1: Gold-tone chain handles, circular decorative fittings, rings, and strap hardware are visible; no readable branding or classic Coach turnlock is visible.
leather description photo 1 and photo 3: Dark navy-to-black smooth, slightly textured material with a structured body; genuine leather versus coated or synthetic material cannot be confirmed.
lining description photo 4: Dark lining with multiple compartments and zipper openings is visible; material and labels are not identifiable.
strap construction photo 1 and photo 2: Narrow leather-appearing shoulder straps connect to short gold-tone chain sections; additional long strap is visible in photo 2 and photo 4.
stitching description photo 1 and photo 3: Straight machine stitching is visible around panels and edges; no distinctive Coach construction feature is apparent.
Raw AI response (debug)
{
    "is_handbag_probability": 0.98,
    "coach_probability": 0.035,
    "vintage_probability": 0.31,
    "authenticity_confidence": 0.03,
    "image_quality_score": 0.665,
    "seller_misidentification_probability": 0.105,
    "confidence": 0.715,
    "recommended_max_bid": 13.5,
    "estimated_resale_low": 12.5,
    "estimated_resale_high": 37.5,
    "possible_models": [],
    "positive_evidence": [
        "photo 1: Structured leather-appearing handbag with gold-tone chain and shoulder straps.",
        "photo 4: Interior appears to have multiple compartments and zipper openings.",
        "photo 1, photo 2: leather handbag in navy with shoulder strap, the population where misidentified bags can hide, but no Coach-specific cue",
        "photo 3: smooth leather grain close-up shows leather material, not nylon\/PVC\/faux disqualifier"
    ],
    "negative_evidence": [
        "photo 1: No visible COACH wordmark, horse-and-carriage, or Coach hangtag.",
        "photo 1: The decorative gold circular fittings and chain construction do not resemble a classic Coach turnlock or typical vintage Coach hardware.",
        "photo 1: Ribbed side panels and highly structured silhouette are not a clear match for the listed vintage Coach catalog models.",
        "photo 4: Interior is visible but no sewn Coach creed patch or fabric Coach label can be seen.",
        "photo 3: Leather surface appears heavily textured or coated; classic vintage Coach glove-tanned leather is not established by this image.",
        "photo 2: The long narrow shoulder straps and chain sections suggest a generic fashion handbag rather than a recognizable vintage Coach construction.",
        "photo 1, photo 2, photo 4: no creed patch, no COACH wordmark, no horse-and-carriage, no hangtag visible",
        "photo 1, photo 2: bright gold-tone chunky chain strap with large round medallion anchors, not vintage Coach solid-brass dogleash\/buckle\/turnlock hardware",
        "photo 1, photo 2, photo 3: quilted horizontal ribbed side panels and structured tote with hard base per seller text, not Coach glove-tanned classic construction",
        "photo 4: zip-top closure with dark lined interior, not unlined suede-back glove-tanned classic interior",
        "photo 1, photo 2: no turnlock closure visible"
    ],
    "missing_information": [
        "Straight-on close-up of every interior wall and pocket, especially any small leather creed patch.",
        "Close-ups of all hardware, zipper pulls, fittings, and strap attachments.",
        "Back, bottom, side, and corner views to assess construction and condition.",
        "Any interior fabric labels, embossed markings, or country-of-origin stamps.",
        "Seller-stated material confirmation, since the photos do not establish whether the exterior is genuine leather.",
        "photo of interior back wall \/ slip pocket for creed patch straight-on in raking light",
        "photo of any interior fabric\/leather brand label or Made-in line",
        "photo of bottom, corners and sides for condition",
        "close-up of hardware stamps, zipper pull brand, and hangtag if present",
        "seller-stated dimensions already given but scale photo and strap-length detail would help model exclusion"
    ],
    "authenticity_concerns": [
        "No Coach identifier is visible despite an interior view being provided.",
        "The design and hardware appear more consistent with a generic or non-Coach fashion handbag than with a documented vintage Coach model.",
        "The seller's use of 'vintage' is not supported by a visible Coach-era identifier.",
        "photo 1, photo 2: oversized bright gold-tone chain and large decorative medallion studs inconsistent with vintage Coach solid-brass hardware vocabulary",
        "photo 1, photo 2: quilted\/ribbed panel construction and chain-plus-thin-leather strap inconsistent with 1970s-1990s Coach glove-tanned classics",
        "no Coach identifier visible in any photo to support Coach manufacture"
    ],
    "possible_model_reasoning": [
        "No Coach model is a strong fit: the ribbed trapezoidal body, chain handles, and circular fittings do not clearly match the listed classic Coach silhouettes.",
        "Era is estimated as modern (2000s+) non-Coach based on the fashion-chain construction and absence of any visible vintage Coach identifier; this is uncertain because the interior label areas are not fully documented.",
        "Condition appears approximately Very Good from the visible exterior: light surface creasing and handling marks are present, with no obvious major tears or broken hardware in the provided views. Bottom, corners, and full strap condition are incompletely shown.",
        "No Coach catalog silhouette matches: quilted ribbed tote with chain-plus-leather strap and large medallion studs does not match City Bag (9790), Willis (9927), Court (9870), Station (5130), Stewardess (9525), Duffle Sac (9085) or other classics",
        "No creed\/serial\/country\/hardware\/lining consistency to date to any Coach era; estimated as non-Coach vintage-style department-store tote",
        "Condition: Good to Very Good from limited views; photo 3 shows light surface scuffing and bottom edge wear, photos 1-2 show structure intact, but no bottom, corner close-ups or emptied interior so cap grade and lining unknown"
    ],
    "estimated_era": "modern (2000s+), non-Coach",
    "observed_features": {
        "creed_present": false,
        "serial_or_style_number_present": false,
        "coach_wordmark_present": false,
        "turnlock_present": false,
        "hangtag_present": false,
        "creed_text": "not_visible",
        "serial_or_style_number": "not_visible",
        "hardware_description": "photo 1: Gold-tone chain handles, circular decorative fittings, rings, and strap hardware are visible; no readable branding or classic Coach turnlock is visible.",
        "leather_description": "photo 1 and photo 3: Dark navy-to-black smooth, slightly textured material with a structured body; genuine leather versus coated or synthetic material cannot be confirmed.",
        "lining_description": "photo 4: Dark lining with multiple compartments and zipper openings is visible; material and labels are not identifiable.",
        "strap_construction": "photo 1 and photo 2: Narrow leather-appearing shoulder straps connect to short gold-tone chain sections; additional long strap is visible in photo 2 and photo 4.",
        "stitching_description": "photo 1 and photo 3: Straight machine stitching is visible around panels and edges; no distinctive Coach construction feature is apparent."
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.0085,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.99,
                "coach_probability": 0.04,
                "vintage_probability": 0.12,
                "authenticity_confidence": 0.03,
                "image_quality_score": 0.78,
                "seller_misidentification_probability": 0.18,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [
                    "photo 1: Structured leather-appearing handbag with gold-tone chain and shoulder straps.",
                    "photo 4: Interior appears to have multiple compartments and zipper openings."
                ],
                "negative_evidence": [
                    "photo 1: No visible COACH wordmark, horse-and-carriage, or Coach hangtag.",
                    "photo 1: The decorative gold circular fittings and chain construction do not resemble a classic Coach turnlock or typical vintage Coach hardware.",
                    "photo 1: Ribbed side panels and highly structured silhouette are not a clear match for the listed vintage Coach catalog models.",
                    "photo 4: Interior is visible but no sewn Coach creed patch or fabric Coach label can be seen.",
                    "photo 3: Leather surface appears heavily textured or coated; classic vintage Coach glove-tanned leather is not established by this image.",
                    "photo 2: The long narrow shoulder straps and chain sections suggest a generic fashion handbag rather than a recognizable vintage Coach construction."
                ],
                "missing_information": [
                    "Straight-on close-up of every interior wall and pocket, especially any small leather creed patch.",
                    "Close-ups of all hardware, zipper pulls, fittings, and strap attachments.",
                    "Back, bottom, side, and corner views to assess construction and condition.",
                    "Any interior fabric labels, embossed markings, or country-of-origin stamps.",
                    "Seller-stated material confirmation, since the photos do not establish whether the exterior is genuine leather."
                ],
                "authenticity_concerns": [
                    "No Coach identifier is visible despite an interior view being provided.",
                    "The design and hardware appear more consistent with a generic or non-Coach fashion handbag than with a documented vintage Coach model.",
                    "The seller's use of 'vintage' is not supported by a visible Coach-era identifier."
                ],
                "observed_features": {
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "serial_or_style_number_present": false,
                    "serial_or_style_number": "not_visible",
                    "coach_wordmark_present": false,
                    "turnlock_present": false,
                    "hangtag_present": false,
                    "hardware_description": "photo 1: Gold-tone chain handles, circular decorative fittings, rings, and strap hardware are visible; no readable branding or classic Coach turnlock is visible.",
                    "leather_description": "photo 1 and photo 3: Dark navy-to-black smooth, slightly textured material with a structured body; genuine leather versus coated or synthetic material cannot be confirmed.",
                    "lining_description": "photo 4: Dark lining with multiple compartments and zipper openings is visible; material and labels are not identifiable.",
                    "strap_construction": "photo 1 and photo 2: Narrow leather-appearing shoulder straps connect to short gold-tone chain sections; additional long strap is visible in photo 2 and photo 4.",
                    "stitching_description": "photo 1 and photo 3: Straight machine stitching is visible around panels and edges; no distinctive Coach construction feature is apparent."
                },
                "possible_model_reasoning": [
                    "No Coach model is a strong fit: the ribbed trapezoidal body, chain handles, and circular fittings do not clearly match the listed classic Coach silhouettes.",
                    "Era is estimated as modern (2000s+) non-Coach based on the fashion-chain construction and absence of any visible vintage Coach identifier; this is uncertain because the interior label areas are not fully documented.",
                    "Condition appears approximately Very Good from the visible exterior: light surface creasing and handling marks are present, with no obvious major tears or broken hardware in the provided views. Bottom, corners, and full strap condition are incompletely shown."
                ],
                "confidence": 0.78,
                "recommended_max_bid": 12,
                "estimated_resale_low": 10,
                "estimated_resale_high": 40
            }
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "result": {
                "authenticity_concerns": [
                    "photo 1, photo 2: oversized bright gold-tone chain and large decorative medallion studs inconsistent with vintage Coach solid-brass hardware vocabulary",
                    "photo 1, photo 2: quilted\/ribbed panel construction and chain-plus-thin-leather strap inconsistent with 1970s-1990s Coach glove-tanned classics",
                    "no Coach identifier visible in any photo to support Coach manufacture"
                ],
                "authenticity_confidence": 0.03,
                "coach_probability": 0.03,
                "confidence": 0.65,
                "estimated_era": "modern (2000s+), non-Coach",
                "estimated_resale_high": 35,
                "estimated_resale_low": 15,
                "image_quality_score": 0.55,
                "is_handbag_probability": 0.97,
                "missing_information": [
                    "photo of interior back wall \/ slip pocket for creed patch straight-on in raking light",
                    "photo of any interior fabric\/leather brand label or Made-in line",
                    "photo of bottom, corners and sides for condition",
                    "close-up of hardware stamps, zipper pull brand, and hangtag if present",
                    "seller-stated dimensions already given but scale photo and strap-length detail would help model exclusion"
                ],
                "negative_evidence": [
                    "photo 1, photo 2, photo 4: no creed patch, no COACH wordmark, no horse-and-carriage, no hangtag visible",
                    "photo 1, photo 2: bright gold-tone chunky chain strap with large round medallion anchors, not vintage Coach solid-brass dogleash\/buckle\/turnlock hardware",
                    "photo 1, photo 2, photo 3: quilted horizontal ribbed side panels and structured tote with hard base per seller text, not Coach glove-tanned classic construction",
                    "photo 4: zip-top closure with dark lined interior, not unlined suede-back glove-tanned classic interior",
                    "photo 1, photo 2: no turnlock closure visible"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "bright gold-tone large-link chain joined to thin leather shoulder strap; large round medallion-like studs\/anchors at front; zip-top with dark pull; plated and decorative appearance, not solid vintage brass turnlock\/dogleash vocabulary",
                    "leather_description": "navy smooth leather with horizontal quilted\/ribbed stitching on side and top panels, smooth center panel; structured appearance consistent with seller text of leather over hard plastic base",
                    "lining_description": "dark interior visible in photo 4 but details obscured by shadow; not visibly unlined suede; not_visible for material",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "visible straight topstitching following quilted ribs and vertical trim panels; tone-matched thread; no close-up to assess fully",
                    "strap_construction": "long thin leather shoulder strap attached to chunky gold-tone chain sections at bag body; chain-through-medallion attachment visible in photo 4",
                    "turnlock_present": false
                },
                "positive_evidence": [
                    "photo 1, photo 2: leather handbag in navy with shoulder strap, the population where misidentified bags can hide, but no Coach-specific cue",
                    "photo 3: smooth leather grain close-up shows leather material, not nylon\/PVC\/faux disqualifier"
                ],
                "possible_model_reasoning": [
                    "No Coach catalog silhouette matches: quilted ribbed tote with chain-plus-leather strap and large medallion studs does not match City Bag (9790), Willis (9927), Court (9870), Station (5130), Stewardess (9525), Duffle Sac (9085) or other classics",
                    "No creed\/serial\/country\/hardware\/lining consistency to date to any Coach era; estimated as non-Coach vintage-style department-store tote",
                    "Condition: Good to Very Good from limited views; photo 3 shows light surface scuffing and bottom edge wear, photos 1-2 show structure intact, but no bottom, corner close-ups or emptied interior so cap grade and lining unknown"
                ],
                "possible_models": [],
                "recommended_max_bid": 15,
                "seller_misidentification_probability": 0.03,
                "vintage_probability": 0.5
            }
        }
    ],
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 16878,
            "output_tokens": 916,
            "total_tokens": 17794,
            "estimated_cost_usd": 0.00895
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 17195,
            "output_tokens": 1865,
            "total_tokens": 19060,
            "estimated_cost_usd": 0.004931
        }
    ]
}

Valuation AI ESTIMATE

This is a model-generated estimate, not an observed market/sold price. Treat it as a rough guide only.

Estimated resale range
$12.50–$37.50
Suggested max bid
$13.50

Reference-image matches

Nearest-perceptual-hash comparison against a small curated library of known vintage Coach models (data/coach-reference/) -- a coarse mechanical signal, not authentication.

No reference matches yet.

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