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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 Alligator Shoulder Bag
Source
Poshmark
Seller's brand
Vintage
Category
Bags
Current bid
—
Buy-now price
$300.00
Shipping
—
Location
—
Ends
— (—)
Discovered
2026-09-16 19:16
Last seen
2026-09-20 02:20

View original auction →

Seller's description

Vintage alligator shoulder bag with curved flap. Braided trim along the flap edge. Single strap for easy carry. Polished finish adds subtle shine.

AI analysis

Model / prompt
ensemble:openai:gpt-5.6-luna+meta:muse-spark-1.3-contributor (prompt v2)
Analyzed at
2026-09-16 23:50
Is handbag
66%
Coach probability
4% (possible, not confirmed)
Vintage probability
56%
Authenticity confidence
3%
Image quality
28%
Seller misidentification
6%
Coach score
0.11
Opportunity score
0.06
Deal score
0.04
Estimated era
modern (2000s+), non-Coach
Possible models
—

Evidence

POSITIVE
  • photo 1: Leather-like textured material and a visible ruler suggest a handbag-sized item, though the overall bag is not shown.
  • photo 2: A diamond-shaped embossed or stamped mark is visible, but it does not legibly show a Coach creed or wordmark.
NEGATIVE
  • photo 1: The material has an exotic/reptile pattern and polished finish, unlike the smooth glove-tanned leather typical of classic vintage Coach.
  • photo 2: The visible diamond-shaped stamp is not a recognizable Coach creed patch, and no Coach wordmark or horse-and-carriage is legible.
  • photos 1-2: Only close-up details are provided; the silhouette, closure, hardware, strap attachments, lining, and construction cannot be compared with Coach models.
  • photo 2: diamond-shaped 'GENUINE ALLIGATOR MADE IN U.S.A.'-type stamp on suede, not Coach creed wording, no 'No.' line, no COACH lozenge
  • photo 1: polished cognac alligator skin with braided/contrast trim description - inconsistent with vintage Coach glove-tanned cowhide classics which are smooth matte-to-satin cowhide
  • no COACH wordmark, horse-and-carriage, creed patch, hangtag, or solid-brass turnlock visible in either photo
  • no unlined glove-tanned cowhide, solid brass hardware, or catalog silhouette visible to support Coach
MISSING INFORMATION
  • Overall front, back, side, and bottom photographs.
  • Straight-on photograph of the complete interior, including all pockets and labels.
  • Close-up of any interior leather patch, fabric tag, zipper pull, or hardware engraving.
  • Full strap and attachment photographs.
  • Clear photograph of the flap, braided trim, closure, and all corners.
  • photo 1-2 only close-ups, no full front/back/bottom/side/interior views to confirm handbag silhouette
  • creed patch not shown - need straight-on interior back wall / slip pocket photo
  • turnlock / closure / hardware not shown
  • strap full length, attachments and buckle holes not shown
  • hangtag / wordmark / horse-and-carriage not shown
  • seller-stated dimensions and full bag photos for scale and model match
AUTHENTICITY CONCERNS
  • ⚠ photo 2: The embossed diamond-shaped mark appears inconsistent with a standard Coach creed presentation, but its wording is not readable enough to identify the maker.
  • ⚠ photos 1-2: No Coach identifier is visible, so Coach manufacture cannot be supported from the available views.

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 not_visible
leather description photo 1: Brown, glossy, reptile-patterned leather or leather-like material with pronounced horizontal texture; exact species and material are not verifiable.
lining description photo 2: brown suede-like interior with diamond stamp; full lining coverage not visible; photo 1 shows dark burgundy textile at edge but context unclear
strap construction not_visible
stitching description photo 1: light-colored edge stitching visible but focus and framing too tight to assess evenness
Raw AI response (debug)
{
    "is_handbag_probability": 0.66,
    "coach_probability": 0.035,
    "vintage_probability": 0.56,
    "authenticity_confidence": 0.03,
    "image_quality_score": 0.28,
    "seller_misidentification_probability": 0.06,
    "confidence": 0.255,
    "recommended_max_bid": 10,
    "estimated_resale_low": 17.5,
    "estimated_resale_high": 65,
    "possible_models": [],
    "positive_evidence": [
        "photo 1: Leather-like textured material and a visible ruler suggest a handbag-sized item, though the overall bag is not shown.",
        "photo 2: A diamond-shaped embossed or stamped mark is visible, but it does not legibly show a Coach creed or wordmark."
    ],
    "negative_evidence": [
        "photo 1: The material has an exotic\/reptile pattern and polished finish, unlike the smooth glove-tanned leather typical of classic vintage Coach.",
        "photo 2: The visible diamond-shaped stamp is not a recognizable Coach creed patch, and no Coach wordmark or horse-and-carriage is legible.",
        "photos 1-2: Only close-up details are provided; the silhouette, closure, hardware, strap attachments, lining, and construction cannot be compared with Coach models.",
        "photo 2: diamond-shaped 'GENUINE ALLIGATOR MADE IN U.S.A.'-type stamp on suede, not Coach creed wording, no 'No.' line, no COACH lozenge",
        "photo 1: polished cognac alligator skin with braided\/contrast trim description - inconsistent with vintage Coach glove-tanned cowhide classics which are smooth matte-to-satin cowhide",
        "no COACH wordmark, horse-and-carriage, creed patch, hangtag, or solid-brass turnlock visible in either photo",
        "no unlined glove-tanned cowhide, solid brass hardware, or catalog silhouette visible to support Coach"
    ],
    "missing_information": [
        "Overall front, back, side, and bottom photographs.",
        "Straight-on photograph of the complete interior, including all pockets and labels.",
        "Close-up of any interior leather patch, fabric tag, zipper pull, or hardware engraving.",
        "Full strap and attachment photographs.",
        "Clear photograph of the flap, braided trim, closure, and all corners.",
        "photo 1-2 only close-ups, no full front\/back\/bottom\/side\/interior views to confirm handbag silhouette",
        "creed patch not shown - need straight-on interior back wall \/ slip pocket photo",
        "turnlock \/ closure \/ hardware not shown",
        "strap full length, attachments and buckle holes not shown",
        "hangtag \/ wordmark \/ horse-and-carriage not shown",
        "seller-stated dimensions and full bag photos for scale and model match"
    ],
    "authenticity_concerns": [
        "photo 2: The embossed diamond-shaped mark appears inconsistent with a standard Coach creed presentation, but its wording is not readable enough to identify the maker.",
        "photos 1-2: No Coach identifier is visible, so Coach manufacture cannot be supported from the available views."
    ],
    "possible_model_reasoning": [
        "The available close-ups do not show a recognizable Coach silhouette or construction feature, so no Coach model can be proposed.",
        "The diamond-shaped stamp in photo 2 is not legible and cannot be decoded as a Coach creed or serial.",
        "Condition cannot be reliably graded because the complete exterior, interior, bottom, strap, and hardware are not shown.",
        "no Coach model match: only two extreme close-ups provided, no silhouette, closure, strap type or proportions visible to compare to catalog",
        "exotic alligator + diamond 'GENUINE ALLIGATOR' stamp points away from 1970s-1990s glove-tanned cowhide classics; Coach exotics are modern and carry standard creed\/fabric tags, not seen here",
        "Condition: ungradable; no corners, edges, strap, hardware or interior condition visible"
    ],
    "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": "not_visible",
        "leather_description": "photo 1: Brown, glossy, reptile-patterned leather or leather-like material with pronounced horizontal texture; exact species and material are not verifiable.",
        "lining_description": "photo 2: brown suede-like interior with diamond stamp; full lining coverage not visible; photo 1 shows dark burgundy textile at edge but context unclear",
        "strap_construction": "not_visible",
        "stitching_description": "photo 1: light-colored edge stitching visible but focus and framing too tight to assess evenness"
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.0017,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.72,
                "coach_probability": 0.04,
                "vintage_probability": 0.62,
                "authenticity_confidence": 0.03,
                "image_quality_score": 0.34,
                "seller_misidentification_probability": 0.09,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [
                    "photo 1: Leather-like textured material and a visible ruler suggest a handbag-sized item, though the overall bag is not shown.",
                    "photo 2: A diamond-shaped embossed or stamped mark is visible, but it does not legibly show a Coach creed or wordmark."
                ],
                "negative_evidence": [
                    "photo 1: The material has an exotic\/reptile pattern and polished finish, unlike the smooth glove-tanned leather typical of classic vintage Coach.",
                    "photo 2: The visible diamond-shaped stamp is not a recognizable Coach creed patch, and no Coach wordmark or horse-and-carriage is legible.",
                    "photos 1-2: Only close-up details are provided; the silhouette, closure, hardware, strap attachments, lining, and construction cannot be compared with Coach models."
                ],
                "missing_information": [
                    "Overall front, back, side, and bottom photographs.",
                    "Straight-on photograph of the complete interior, including all pockets and labels.",
                    "Close-up of any interior leather patch, fabric tag, zipper pull, or hardware engraving.",
                    "Full strap and attachment photographs.",
                    "Clear photograph of the flap, braided trim, closure, and all corners."
                ],
                "authenticity_concerns": [
                    "photo 2: The embossed diamond-shaped mark appears inconsistent with a standard Coach creed presentation, but its wording is not readable enough to identify the maker.",
                    "photos 1-2: No Coach identifier is visible, so Coach manufacture cannot be supported from the available views."
                ],
                "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": "not_visible",
                    "leather_description": "photo 1: Brown, glossy, reptile-patterned leather or leather-like material with pronounced horizontal texture; exact species and material are not verifiable.",
                    "lining_description": "not_visible",
                    "strap_construction": "not_visible",
                    "stitching_description": "not_visible"
                },
                "possible_model_reasoning": [
                    "The available close-ups do not show a recognizable Coach silhouette or construction feature, so no Coach model can be proposed.",
                    "The diamond-shaped stamp in photo 2 is not legible and cannot be decoded as a Coach creed or serial.",
                    "Condition cannot be reliably graded because the complete exterior, interior, bottom, strap, and hardware are not shown."
                ],
                "confidence": 0.26,
                "recommended_max_bid": null,
                "estimated_resale_low": 20,
                "estimated_resale_high": 80
            }
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "result": {
                "authenticity_concerns": [],
                "authenticity_confidence": 0.03,
                "coach_probability": 0.03,
                "confidence": 0.25,
                "estimated_era": "unknown",
                "estimated_resale_high": 50,
                "estimated_resale_low": 15,
                "image_quality_score": 0.22,
                "is_handbag_probability": 0.6,
                "missing_information": [
                    "photo 1-2 only close-ups, no full front\/back\/bottom\/side\/interior views to confirm handbag silhouette",
                    "creed patch not shown - need straight-on interior back wall \/ slip pocket photo",
                    "turnlock \/ closure \/ hardware not shown",
                    "strap full length, attachments and buckle holes not shown",
                    "hangtag \/ wordmark \/ horse-and-carriage not shown",
                    "seller-stated dimensions and full bag photos for scale and model match"
                ],
                "negative_evidence": [
                    "photo 2: diamond-shaped 'GENUINE ALLIGATOR MADE IN U.S.A.'-type stamp on suede, not Coach creed wording, no 'No.' line, no COACH lozenge",
                    "photo 1: polished cognac alligator skin with braided\/contrast trim description - inconsistent with vintage Coach glove-tanned cowhide classics which are smooth matte-to-satin cowhide",
                    "no COACH wordmark, horse-and-carriage, creed patch, hangtag, or solid-brass turnlock visible in either photo",
                    "no unlined glove-tanned cowhide, solid brass hardware, or catalog silhouette visible to support Coach"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "not_visible",
                    "leather_description": "photo 1: cognac \/ reddish-brown polished alligator skin with scale pattern, subtle shine; light contrast stitching at edge",
                    "lining_description": "photo 2: brown suede-like interior with diamond stamp; full lining coverage not visible; photo 1 shows dark burgundy textile at edge but context unclear",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "photo 1: light-colored edge stitching visible but focus and framing too tight to assess evenness",
                    "strap_construction": "not_visible",
                    "turnlock_present": false
                },
                "positive_evidence": [],
                "possible_model_reasoning": [
                    "no Coach model match: only two extreme close-ups provided, no silhouette, closure, strap type or proportions visible to compare to catalog",
                    "exotic alligator + diamond 'GENUINE ALLIGATOR' stamp points away from 1970s-1990s glove-tanned cowhide classics; Coach exotics are modern and carry standard creed\/fabric tags, not seen here",
                    "Condition: ungradable; no corners, edges, strap, hardware or interior condition visible"
                ],
                "possible_models": [],
                "recommended_max_bid": 10,
                "seller_misidentification_probability": 0.03,
                "vintage_probability": 0.5
            }
        }
    ],
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 16099,
            "output_tokens": 704,
            "total_tokens": 16803,
            "estimated_cost_usd": 0.008129
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 16470,
            "output_tokens": 1492,
            "total_tokens": 17962,
            "estimated_cost_usd": 0.004488
        }
    ]
}

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
$17.50–$65.00
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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