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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 Leather backpack purse
Source
Poshmark
Seller's brand
Unbranded
Category
Bags
Current bid
—
Buy-now price
$60.00
Shipping
—
Location
—
Ends
— (—)
Discovered
2026-10-21 01:50
Last seen
2026-10-21 01:50

View original auction →

Seller's description

Vintage Borgo Giovanni. Authentic, genuine leather backpack/purse. Absolutely gorgeous vintage condition (see photos). Backpack purse with drawstring closure.

AI analysis

Model / prompt
openai:gpt-5.6-luna (prompt v2)
Analyzed at
2026-10-21 02:29
Is handbag
98%
Coach probability
3% (possible, not confirmed)
Vintage probability
58%
Authenticity confidence
2%
Image quality
88%
Seller misidentification
4%
Coach score
0.17
Opportunity score
0.08
Deal score
0.05
Estimated era
modern (2000s+), non-Coach
Possible models
—

Evidence

POSITIVE
  • photo 1: Clearly a leather backpack/purse with a drawstring closure and multiple straps.
  • photo 2: Prominent round leather medallion visibly reads "BORGO GIOVANNI" and "MADE IN ITALY," identifying a different brand.
  • photo 3: Zipper pull visibly reads "DESIGN OF ITALY," consistent with the Italian branding rather than Coach.
  • photo 6: Interior leather label visibly reads "Made in Italy."
NEGATIVE
  • photo 2: The visible branded medallion is Borgo Giovanni, not Coach.
  • photo 6: The interior has a generic "Made in Italy" label and no visible Coach creed or Coach wordmark.
  • photo 3: The zipper pull does not show a Coach stamp.
  • photo 1: The backpack silhouette and construction do not provide a recognizable classic Coach model identifier.
MISSING INFORMATION
  • photo 1: No full front, side, bottom, or back views showing all corners and overall condition.
  • photo 6: Interior is only partially shown; pockets, seams, and any additional labels are not fully documented.
  • photo 1: Seller-stated dimensions are not provided.
  • photo 5: Strap ends and attachment points are only partially visible; full strap condition is not shown.
AUTHENTICITY CONCERNS
  • ⚠ photo 2: The explicit Borgo Giovanni branding is inconsistent with Coach manufacture; this is best treated as a non-Coach Italian leather bag, not a Coach lookalike requiring authentication.
  • ⚠ photo 6: The visible label and lining do not show a Coach creed, style number, or Coach branding.

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 2: Gold-tone buckle and metal fittings are visible; photo 6 shows metal eyelets. The round leather Borgo Giovanni medallion is a decorative brand emblem, not a Coach hangtag or turnlock.
leather description photos 1-5: Brown leather with visible grain, creasing, surface variation, and wear; exact leather type is not determinable from photos.
lining description photo 6: Dark synthetic-looking fabric lining with a visible Made in Italy leather label; condition shows lint and light debris.
strap construction photos 1 and 5: Adjustable leather shoulder/backpack straps with buckle hardware and stitched attachment tabs; some edge wear and creasing are visible.
stitching description photos 2 and 5: Visible contrast stitching is generally even, with wear and fraying/roughness at at least one strap attachment.
Raw AI response (debug)
{
    "is_handbag_probability": 0.98,
    "coach_probability": 0.03,
    "vintage_probability": 0.58,
    "authenticity_confidence": 0.02,
    "image_quality_score": 0.88,
    "seller_misidentification_probability": 0.04,
    "estimated_era": "modern (2000s+), non-Coach",
    "possible_models": [],
    "positive_evidence": [
        "photo 1: Clearly a leather backpack\/purse with a drawstring closure and multiple straps.",
        "photo 2: Prominent round leather medallion visibly reads \"BORGO GIOVANNI\" and \"MADE IN ITALY,\" identifying a different brand.",
        "photo 3: Zipper pull visibly reads \"DESIGN OF ITALY,\" consistent with the Italian branding rather than Coach.",
        "photo 6: Interior leather label visibly reads \"Made in Italy.\""
    ],
    "negative_evidence": [
        "photo 2: The visible branded medallion is Borgo Giovanni, not Coach.",
        "photo 6: The interior has a generic \"Made in Italy\" label and no visible Coach creed or Coach wordmark.",
        "photo 3: The zipper pull does not show a Coach stamp.",
        "photo 1: The backpack silhouette and construction do not provide a recognizable classic Coach model identifier."
    ],
    "missing_information": [
        "photo 1: No full front, side, bottom, or back views showing all corners and overall condition.",
        "photo 6: Interior is only partially shown; pockets, seams, and any additional labels are not fully documented.",
        "photo 1: Seller-stated dimensions are not provided.",
        "photo 5: Strap ends and attachment points are only partially visible; full strap condition is not shown."
    ],
    "authenticity_concerns": [
        "photo 2: The explicit Borgo Giovanni branding is inconsistent with Coach manufacture; this is best treated as a non-Coach Italian leather bag, not a Coach lookalike requiring authentication.",
        "photo 6: The visible label and lining do not show a Coach creed, style number, or Coach branding."
    ],
    "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 2: Gold-tone buckle and metal fittings are visible; photo 6 shows metal eyelets. The round leather Borgo Giovanni medallion is a decorative brand emblem, not a Coach hangtag or turnlock.",
        "leather_description": "photos 1-5: Brown leather with visible grain, creasing, surface variation, and wear; exact leather type is not determinable from photos.",
        "lining_description": "photo 6: Dark synthetic-looking fabric lining with a visible Made in Italy leather label; condition shows lint and light debris.",
        "strap_construction": "photos 1 and 5: Adjustable leather shoulder\/backpack straps with buckle hardware and stitched attachment tabs; some edge wear and creasing are visible.",
        "stitching_description": "photos 2 and 5: Visible contrast stitching is generally even, with wear and fraying\/roughness at at least one strap attachment."
    },
    "possible_model_reasoning": [
        "The bag is a backpack purse rather than a Coach catalog classic such as a Willis, Court, Station, or Dinky.",
        "The Borgo Giovanni medallion and Made in Italy labeling identify the likely maker and outweigh the generic brown-leather construction.",
        "Condition: Good; leather shows creasing and surface wear, and a strap attachment appears stressed in photo 5; interior condition is only partially shown."
    ],
    "confidence": 0.91,
    "recommended_max_bid": 15,
    "estimated_resale_low": 20,
    "estimated_resale_high": 60,
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 17708,
            "output_tokens": 957,
            "total_tokens": 18665,
            "estimated_cost_usd": 0.00938
        }
    ]
}

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
$20.00–$60.00
Suggested max bid
$15.00

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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