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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 Blue Shoulder Bag w Black Leather Strap, Snap Closure, Detachable Strap
Source
eBay
Seller's brand
Unbranded
Category
Women's Bags & Handbags
Current bid
—
Buy-now price
$65.00
Shipping
—
Location
US
Ends
— (—)
Discovered
2026-09-15 09:13
Last seen
2026-09-15 09:13

View original auction →

AI analysis

Model / prompt
ensemble:openai:gpt-5.6-luna+meta:muse-spark-1.3-contributor (prompt v2)
Analyzed at
2026-09-15 09:14
Is handbag
98%
Coach probability
6% (possible, not confirmed)
Vintage probability
20%
Authenticity confidence
5%
Image quality
74%
Seller misidentification
6%
Coach score
0.13
Opportunity score
0.07
Deal score
0.05
Estimated era
modern (2000s+), non-Coach
Possible models
—

Evidence

POSITIVE
  • photo 3: plaid fabric lining is visible and could be consistent with some older handbag construction.
  • photo 1: the item is a structured shoulder handbag with a detachable-looking black strap and metal feet.
NEGATIVE
  • photo 1: exterior appears to be woven/textile fabric rather than Coach's typical glove-tanned leather or recognizable Coach signature canvas.
  • photo 1: closure is a simple rectangular snap/strap detail, not a recognizable Coach turnlock.
  • photo 1: visible hardware appears silver-tone; no Coach wordmark, carriage, or leather hangtag is visible.
  • photo 2: plain textile exterior and generic construction do not match a clearly identifiable Coach silhouette.
  • photo 3: no Coach creed patch, serial/style number, or brand label is visible in the shown interior.
  • photo 1 and photo 2: body is blue woven fabric / chambray-type textile, not glove-tanned cowhide
  • photo 1 and photo 2: silver-tone hardware including snap, D-rings and bottom feet, not solid brass vintage hardware
  • photo 3: fully lined with red/yellow/black plaid fabric lining, not unlined suede-back glove-tanned interior
  • photo 1, photo 2, photo 3: no creed patch, no COACH wordmark, no horse-and-carriage, no hangtag visible
  • photo 1: no turnlock; closure is round magnetic snap
MISSING INFORMATION
  • photo 3: a brighter, straight-on photograph of the entire interior, including every pocket and back wall, is needed to rule out a small creed or label.
  • A close-up of the closure, strap attachments, hardware, and zipper pulls would help identify the maker.
  • Photos of the bottom, side seams, strap ends, and any interior tags are missing.
  • Seller-stated dimensions, materials, and any markings not visible in the photos would help with identification.
  • photo of any interior leather creed patch or fabric brand tag in raking light - none visible in photo 3
  • photo of hardware engravings on snap, zipper pull and strap clips
  • photo of bottom and corners close-up for condition confirmation
AUTHENTICITY CONCERNS
  • ⚠ The visible textile construction, silver-tone hardware, and generic snap closure provide little support for Coach manufacture.
  • ⚠ No Coach identifier is visible; this is more consistent with an unbranded or other vintage textile handbag than a Coach bag.

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: silver-tone strap rings, snap closure, and small metal feet are visible; no Coach engraving is legible.
leather description photo 1: black leather-like strap and trim are visible; the main body appears to be woven textile, not glove-tanned leather.
lining description photo 3: dark plaid textile lining is visible, but its brand label and full condition are not clear.
strap construction photos 1-2: long black strap with contrasting light stitching and metal ring attachments; full attachment construction is not shown clearly.
stitching description photos 1-2: visible edge and strap stitching appears generally even, but close-up stress-point stitching is not available.
Raw AI response (debug)
{
    "is_handbag_probability": 0.98,
    "coach_probability": 0.055,
    "vintage_probability": 0.2,
    "authenticity_confidence": 0.045,
    "image_quality_score": 0.735,
    "seller_misidentification_probability": 0.055,
    "confidence": 0.79,
    "recommended_max_bid": 10,
    "estimated_resale_low": 10,
    "estimated_resale_high": 32.5,
    "possible_models": [],
    "positive_evidence": [
        "photo 3: plaid fabric lining is visible and could be consistent with some older handbag construction.",
        "photo 1: the item is a structured shoulder handbag with a detachable-looking black strap and metal feet."
    ],
    "negative_evidence": [
        "photo 1: exterior appears to be woven\/textile fabric rather than Coach's typical glove-tanned leather or recognizable Coach signature canvas.",
        "photo 1: closure is a simple rectangular snap\/strap detail, not a recognizable Coach turnlock.",
        "photo 1: visible hardware appears silver-tone; no Coach wordmark, carriage, or leather hangtag is visible.",
        "photo 2: plain textile exterior and generic construction do not match a clearly identifiable Coach silhouette.",
        "photo 3: no Coach creed patch, serial\/style number, or brand label is visible in the shown interior.",
        "photo 1 and photo 2: body is blue woven fabric \/ chambray-type textile, not glove-tanned cowhide",
        "photo 1 and photo 2: silver-tone hardware including snap, D-rings and bottom feet, not solid brass vintage hardware",
        "photo 3: fully lined with red\/yellow\/black plaid fabric lining, not unlined suede-back glove-tanned interior",
        "photo 1, photo 2, photo 3: no creed patch, no COACH wordmark, no horse-and-carriage, no hangtag visible",
        "photo 1: no turnlock; closure is round magnetic snap"
    ],
    "missing_information": [
        "photo 3: a brighter, straight-on photograph of the entire interior, including every pocket and back wall, is needed to rule out a small creed or label.",
        "A close-up of the closure, strap attachments, hardware, and zipper pulls would help identify the maker.",
        "Photos of the bottom, side seams, strap ends, and any interior tags are missing.",
        "Seller-stated dimensions, materials, and any markings not visible in the photos would help with identification.",
        "photo of any interior leather creed patch or fabric brand tag in raking light - none visible in photo 3",
        "photo of hardware engravings on snap, zipper pull and strap clips",
        "photo of bottom and corners close-up for condition confirmation"
    ],
    "authenticity_concerns": [
        "The visible textile construction, silver-tone hardware, and generic snap closure provide little support for Coach manufacture.",
        "No Coach identifier is visible; this is more consistent with an unbranded or other vintage textile handbag than a Coach bag."
    ],
    "possible_model_reasoning": [
        "The plaid lining may suggest an older bag, but plaid alone is not a Coach identifier and the exterior material and hardware do not closely match the listed vintage Coach classic models.",
        "Condition: approximately Good; exterior shows visible age\/use and the interior is dark, while bottom corners and strap stress points are not fully documented.",
        "No Coach hard identifier visible in any photo, so no Coach model can be ranked",
        "Silhouette is a simple snap-top fabric shoulder bag with contrast leather strap and feet - inconsistent with vintage Coach classic glove-tanned unlined construction with brass turnlock",
        "Condition: Very Good to Excellent based on photos 1-2; fabric appears clean with no stains, strap uncracked, lining clean in photo 3; bottom not shown close-up so capped"
    ],
    "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: silver-tone strap rings, snap closure, and small metal feet are visible; no Coach engraving is legible.",
        "leather_description": "photo 1: black leather-like strap and trim are visible; the main body appears to be woven textile, not glove-tanned leather.",
        "lining_description": "photo 3: dark plaid textile lining is visible, but its brand label and full condition are not clear.",
        "strap_construction": "photos 1-2: long black strap with contrasting light stitching and metal ring attachments; full attachment construction is not shown clearly.",
        "stitching_description": "photos 1-2: visible edge and strap stitching appears generally even, but close-up stress-point stitching is not available."
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.0045,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.98,
                "coach_probability": 0.08,
                "vintage_probability": 0.35,
                "authenticity_confidence": 0.06,
                "image_quality_score": 0.82,
                "seller_misidentification_probability": 0.08,
                "estimated_era": "unknown",
                "possible_models": [],
                "positive_evidence": [
                    "photo 3: plaid fabric lining is visible and could be consistent with some older handbag construction.",
                    "photo 1: the item is a structured shoulder handbag with a detachable-looking black strap and metal feet."
                ],
                "negative_evidence": [
                    "photo 1: exterior appears to be woven\/textile fabric rather than Coach's typical glove-tanned leather or recognizable Coach signature canvas.",
                    "photo 1: closure is a simple rectangular snap\/strap detail, not a recognizable Coach turnlock.",
                    "photo 1: visible hardware appears silver-tone; no Coach wordmark, carriage, or leather hangtag is visible.",
                    "photo 2: plain textile exterior and generic construction do not match a clearly identifiable Coach silhouette.",
                    "photo 3: no Coach creed patch, serial\/style number, or brand label is visible in the shown interior."
                ],
                "missing_information": [
                    "photo 3: a brighter, straight-on photograph of the entire interior, including every pocket and back wall, is needed to rule out a small creed or label.",
                    "A close-up of the closure, strap attachments, hardware, and zipper pulls would help identify the maker.",
                    "Photos of the bottom, side seams, strap ends, and any interior tags are missing.",
                    "Seller-stated dimensions, materials, and any markings not visible in the photos would help with identification."
                ],
                "authenticity_concerns": [
                    "The visible textile construction, silver-tone hardware, and generic snap closure provide little support for Coach manufacture.",
                    "No Coach identifier is visible; this is more consistent with an unbranded or other vintage textile handbag than a Coach bag."
                ],
                "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: silver-tone strap rings, snap closure, and small metal feet are visible; no Coach engraving is legible.",
                    "leather_description": "photo 1: black leather-like strap and trim are visible; the main body appears to be woven textile, not glove-tanned leather.",
                    "lining_description": "photo 3: dark plaid textile lining is visible, but its brand label and full condition are not clear.",
                    "strap_construction": "photos 1-2: long black strap with contrasting light stitching and metal ring attachments; full attachment construction is not shown clearly.",
                    "stitching_description": "photos 1-2: visible edge and strap stitching appears generally even, but close-up stress-point stitching is not available."
                },
                "possible_model_reasoning": [
                    "The plaid lining may suggest an older bag, but plaid alone is not a Coach identifier and the exterior material and hardware do not closely match the listed vintage Coach classic models.",
                    "Condition: approximately Good; exterior shows visible age\/use and the interior is dark, while bottom corners and strap stress points are not fully documented."
                ],
                "confidence": 0.78,
                "recommended_max_bid": 8,
                "estimated_resale_low": 10,
                "estimated_resale_high": 40
            }
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "result": {
                "authenticity_concerns": [],
                "authenticity_confidence": 0.03,
                "coach_probability": 0.03,
                "confidence": 0.8,
                "estimated_era": "modern (2000s+), non-Coach",
                "estimated_resale_high": 25,
                "estimated_resale_low": 10,
                "image_quality_score": 0.65,
                "is_handbag_probability": 0.98,
                "missing_information": [
                    "photo of any interior leather creed patch or fabric brand tag in raking light - none visible in photo 3",
                    "photo of hardware engravings on snap, zipper pull and strap clips",
                    "photo of bottom and corners close-up for condition confirmation"
                ],
                "negative_evidence": [
                    "photo 1 and photo 2: body is blue woven fabric \/ chambray-type textile, not glove-tanned cowhide",
                    "photo 1 and photo 2: silver-tone hardware including snap, D-rings and bottom feet, not solid brass vintage hardware",
                    "photo 3: fully lined with red\/yellow\/black plaid fabric lining, not unlined suede-back glove-tanned interior",
                    "photo 1, photo 2, photo 3: no creed patch, no COACH wordmark, no horse-and-carriage, no hangtag visible",
                    "photo 1: no turnlock; closure is round magnetic snap"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "silver-tone round snap closure, silver-tone D-rings for strap, four silver-tone dome feet on bottom; no COACH engraving visible",
                    "leather_description": "body is blue-grey woven fabric, not leather; trim and strap is black smooth leather",
                    "lining_description": "photo 3: red\/yellow\/brown\/black plaid woven fabric lining with interior zip pocket with black leather pull",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "even edge stitching on body; white contrast saddle stitching along black leather shoulder strap",
                    "strap_construction": "single black leather shoulder strap, detachable via metal clips, white contrast stitching",
                    "turnlock_present": false
                },
                "positive_evidence": [],
                "possible_model_reasoning": [
                    "No Coach hard identifier visible in any photo, so no Coach model can be ranked",
                    "Silhouette is a simple snap-top fabric shoulder bag with contrast leather strap and feet - inconsistent with vintage Coach classic glove-tanned unlined construction with brass turnlock",
                    "Condition: Very Good to Excellent based on photos 1-2; fabric appears clean with no stains, strap uncracked, lining clean in photo 3; bottom not shown close-up so capped"
                ],
                "possible_models": [],
                "recommended_max_bid": 12,
                "seller_misidentification_probability": 0.03,
                "vintage_probability": 0.05
            }
        }
    ],
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 20915,
            "output_tokens": 839,
            "total_tokens": 21754,
            "estimated_cost_usd": 0.01038
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 21690,
            "output_tokens": 1149,
            "total_tokens": 22839,
            "estimated_cost_usd": 0.005257
        }
    ]
}

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
$10.00–$32.50
Suggested max bid
$10.00

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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