Vintage Coach Hunter

{
    "is_handbag_probability": 0.97,
    "coach_probability": 0.04,
    "vintage_probability": 0.55,
    "authenticity_confidence": 0.03,
    "image_quality_score": 0.82,
    "seller_misidentification_probability": 0.04,
    "estimated_era": "modern (2000s+), non-Coach",
    "possible_models": [],
    "positive_evidence": [
        "photo 6: clearly a structured leather handbag with aged-looking metal feet and rings.",
        "photo 1: leather trim and metal hardware are visible, which can occur on vintage handbags generally."
    ],
    "negative_evidence": [
        "photos 1-6: no visible Coach wordmark, horse-and-carriage, creed patch, serial\/style number, or Coach hangtag.",
        "photos 1, 2, and 6: heavily pebbled leather and a doctor-bag satchel construction do not closely match the smooth glove-tanned leather and classic Coach silhouettes emphasized for vintage Coach.",
        "photos 1-6: the visible clasp is a small rectangular closure rather than a recognizable Coach turnlock.",
        "photo 5: the leather shows extensive finish loss, discoloration, and wear around the handle attachment.",
        "listing text: seller identifies the bag as AFINA\/unbranded rather than Coach; this is weak evidence but consistent with the lack of Coach identifiers."
    ],
    "missing_information": [
        "photo showing the complete interior, including any brand label or creed patch",
        "straight-on close-up of the central clasp and all hardware",
        "close-ups of zipper pulls, interior zipper compartment, bottom, and handle attachments",
        "any interior fabric tag, embossed mark, or country-of-origin stamp",
        "seller-stated dimensions and a photo of the bag next to a ruler"
    ],
    "authenticity_concerns": [
        "photos 1-6: no Coach-specific identifier is visible, so the bag currently reads as a generic or other-brand pebbled leather satchel rather than an identifiable Coach piece.",
        "photos 1-6: visible hardware and silhouette do not provide a strong match to a cataloged vintage Coach model."
    ],
    "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": "photos 1-6: aged brass-tone circular rings, rounded feet, rivet-like studs, and a small rectangular top clasp are visible; clasp finish appears worn or peeling as stated in the listing.",
        "leather_description": "photos 1-6: taupe, heavily pebbled leather or leather-like material with substantial surface wear, scratches, discoloration, and finish loss.",
        "lining_description": "not_visible",
        "strap_construction": "photos 1-6: two rounded top handles attached with leather tabs and circular metal rings; no detachable shoulder strap is visible.",
        "stitching_description": "photos 1-6: visible perimeter and handle-tab stitching appears generally even, with wear and discoloration around the attachment areas."
    },
    "possible_model_reasoning": [
        "No Coach model is sufficiently supported; the structured doctor-bag form is generic and does not show the defining features of Willis, Court, Station, City Bag, or other listed Coach models.",
        "Seller describes the bag as mid-century, but the photos do not show a pre-creed Coach label, Cashin-era hardware, or other Coach-specific evidence.",
        "Condition: Fair; photos show extensive surface wear, finish loss, scratches, and probable interior staining per the listing. The complete interior, zipper function, odor, and structural condition are not shown."
    ],
    "confidence": 0.78,
    "recommended_max_bid": 8,
    "estimated_resale_low": 5,
    "estimated_resale_high": 30,
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 18145,
            "output_tokens": 964,
            "total_tokens": 19109,
            "estimated_cost_usd": 0.009572
        }
    ]
}