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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 Patent Leather Handbag Bag Purse
Source
Poshmark
Seller's brand
Unbranded
Category
Bags
Current bid
—
Buy-now price
$18.00
Shipping
—
Location
—
Ends
— (—)
Discovered
2026-10-21 01:50
Last seen
2026-10-21 01:50

View original auction →

Seller's description

Vintage Patent Leather Handbag Color: Black-brown, with gold toned hardware 12” x 5” x 3”

AI analysis

Model / prompt
openai:gpt-5.6-luna (prompt v2)
Analyzed at
2026-10-21 02:33
Is handbag
98%
Coach probability
3% (possible, not confirmed)
Vintage probability
58%
Authenticity confidence
3%
Image quality
78%
Seller misidentification
4%
Coach score
0.16
Opportunity score
0.20
Deal score
0.27
Estimated era
modern (2000s+), non-Coach
Possible models
—

Evidence

POSITIVE
  • photo 1: Structured patent-look handbag with gold-tone frame hardware and a short handle is clearly visible.
  • photo 2: Front view shows a rectangular framed silhouette consistent with a vintage evening or handbag design.
  • photo 3: Interior is visible and appears to have a dark fabric lining.
NEGATIVE
  • photo 1: Glossy patent-like exterior is not characteristic of classic vintage Coach glove-tanned leather.
  • photo 1: The hardware is a large rigid frame and handle attachment rather than a recognizable Coach turnlock or classic Coach construction.
  • photo 2: No COACH wordmark, horse-and-carriage mark, hangtag, or other visible Coach identifier.
  • photo 3: No visible creed patch, serial/style number, or Coach fabric tag in the interior.
  • photo 3: Interior appears fabric-lined, with no visible unlined suede-back leather construction typical of many classic vintage Coach bags.
MISSING INFORMATION
  • photo 3: Interior compartments and any concealed pockets should be photographed closely to verify whether a brand label or creed is present.
  • A close-up of the bottom, side seams, hardware, and handle attachments would help assess construction and age.
  • Seller-stated dimensions are available, but no provenance or maker label is provided.
AUTHENTICITY CONCERNS
  • ⚠ The patent-like material, framed evening-bag construction, and lack of any Coach identifier are inconsistent with a typical vintage Coach handbag.
  • ⚠ The bag may be a generic vintage framed handbag rather than a misidentified Coach item.

Observed features

creed present no
creed text not_visible
serial or style number present no
serial or style number not_visible
coach wordmark present no
turnlock present no
hangtag present no
hardware description photo 1: Gold-tone rigid metal frame, elongated side hardware, and short rounded handle attachments; no visible Coach engraving.
leather description photo 1: Highly glossy black-brown patent-like surface; natural glove-tanned leather characteristics are not visible.
lining description photo 3: Dark fabric lining is visible, with apparent interior pockets; no label or creed is visible.
strap construction photo 1: Short fixed top handle attached at the sides; no detachable or adjustable Coach-style shoulder strap is visible.
stitching description photo 1: Exterior edge appears neatly finished, but detailed stitching is not sufficiently visible.
Raw AI response (debug)
{
    "is_handbag_probability": 0.98,
    "coach_probability": 0.03,
    "vintage_probability": 0.58,
    "authenticity_confidence": 0.03,
    "image_quality_score": 0.78,
    "seller_misidentification_probability": 0.04,
    "estimated_era": "modern (2000s+), non-Coach",
    "possible_models": [],
    "positive_evidence": [
        "photo 1: Structured patent-look handbag with gold-tone frame hardware and a short handle is clearly visible.",
        "photo 2: Front view shows a rectangular framed silhouette consistent with a vintage evening or handbag design.",
        "photo 3: Interior is visible and appears to have a dark fabric lining."
    ],
    "negative_evidence": [
        "photo 1: Glossy patent-like exterior is not characteristic of classic vintage Coach glove-tanned leather.",
        "photo 1: The hardware is a large rigid frame and handle attachment rather than a recognizable Coach turnlock or classic Coach construction.",
        "photo 2: No COACH wordmark, horse-and-carriage mark, hangtag, or other visible Coach identifier.",
        "photo 3: No visible creed patch, serial\/style number, or Coach fabric tag in the interior.",
        "photo 3: Interior appears fabric-lined, with no visible unlined suede-back leather construction typical of many classic vintage Coach bags."
    ],
    "missing_information": [
        "photo 3: Interior compartments and any concealed pockets should be photographed closely to verify whether a brand label or creed is present.",
        "A close-up of the bottom, side seams, hardware, and handle attachments would help assess construction and age.",
        "Seller-stated dimensions are available, but no provenance or maker label is provided."
    ],
    "authenticity_concerns": [
        "The patent-like material, framed evening-bag construction, and lack of any Coach identifier are inconsistent with a typical vintage Coach handbag.",
        "The bag may be a generic vintage framed handbag rather than a misidentified Coach item."
    ],
    "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 rigid metal frame, elongated side hardware, and short rounded handle attachments; no visible Coach engraving.",
        "leather_description": "photo 1: Highly glossy black-brown patent-like surface; natural glove-tanned leather characteristics are not visible.",
        "lining_description": "photo 3: Dark fabric lining is visible, with apparent interior pockets; no label or creed is visible.",
        "strap_construction": "photo 1: Short fixed top handle attached at the sides; no detachable or adjustable Coach-style shoulder strap is visible.",
        "stitching_description": "photo 1: Exterior edge appears neatly finished, but detailed stitching is not sufficiently visible."
    },
    "possible_model_reasoning": [
        "The long rectangular proportions and metal frame fit a generic vintage framed evening handbag, not a specific recognizable Coach model.",
        "The seller-stated 12 x 5 x 3 inch dimensions support a slim framed handbag, but dimensions alone do not identify Coach.",
        "Condition: Good to Very Good based on visible intact exterior and hardware; significant glare and limited close-ups prevent assessment of lining wear, odor, frame function, and underside wear."
    ],
    "confidence": 0.82,
    "recommended_max_bid": 10,
    "estimated_resale_low": 15,
    "estimated_resale_high": 45,
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 16598,
            "output_tokens": 790,
            "total_tokens": 17388,
            "estimated_cost_usd": 0.008535
        }
    ]
}

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
$15.00–$45.00
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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