Vintage Coach Hunter

{
    "is_handbag_probability": 0.99,
    "coach_probability": 0.04,
    "vintage_probability": 0.18,
    "authenticity_confidence": 0.03,
    "image_quality_score": 0.86,
    "seller_misidentification_probability": 0.08,
    "estimated_era": "modern (2000s+), non-Coach",
    "possible_models": [],
    "positive_evidence": [
        "photo 1: Brown leather shoulder\/crossbody handbag with substantial stitched construction and brass-tone buckles.",
        "photo 3: Leather body shows natural grain and substantial folded construction."
    ],
    "negative_evidence": [
        "photo 1: Front closure uses a strap and conventional buckle rather than a recognizable Coach turnlock.",
        "photo 1: Large decorative stitched strap arrangement and rounded flap design do not closely match the listed classic Coach silhouettes.",
        "photo 2: Interior is fabric-lined in bright green, with no visible Coach creed patch or brand label.",
        "photo 4: Side construction uses prominent dark edge binding and riveted strap attachments unlike typical vintage Coach classic construction.",
        "photo 5: Back is plain and shows no Coach wordmark, horse-and-carriage, or other brand identifier.",
        "photo 6: Hardware appears to be ordinary buckles and strap fittings, not distinctive Coach hardware."
    ],
    "missing_information": [
        "photo 2: Interior back wall and all pockets should be photographed straight-on and in sharper focus to confirm that no creed or fabric brand tag is present.",
        "photo 1: Close-ups of every hardware piece and zipper pull are needed to check for markings.",
        "photo 1: Seller-stated dimensions and weight are not provided.",
        "photo 3: Bottom, corners, and strap attachment points need closer condition photographs."
    ],
    "authenticity_concerns": [
        "photo 2: Bright fabric lining and lack of any visible creed or Coach label are inconsistent with many classic vintage Coach glove-tanned styles.",
        "photo 1: The decorative buckle-and-strap design appears generic or handmade rather than a documented Coach classic model.",
        "photo 4: Dark edge binding and riveted strap construction are not sufficient evidence of Coach manufacture and may indicate a non-Coach leather maker."
    ],
    "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: Brass-tone buckles, strap adjusters, D-rings, and riveted fittings are visible; no Coach engraving is legible. The main closure is a conventional buckle.",
        "leather_description": "photos 1, 3, 4, 5, 6: Brown leather with visible grain, creasing, tonal variation, and darker edge binding; exact leather type cannot be determined.",
        "lining_description": "photo 2: Bright green woven\/textile lining and a zippered interior compartment are visible; no brand label or creed is visible in the photographed area.",
        "strap_construction": "photos 1, 4, 5, 6: Wide adjustable shoulder strap with punched holes, buckle adjustment, riveted attachment, and additional leather strap sections.",
        "stitching_description": "photos 1, 3, 4, 5, 6: Visible double-row and contrasting brown stitching is generally regular, with decorative perimeter stitching and some visible wear\/unevenness."
    },
    "possible_model_reasoning": [
        "The bag is a genuine handbag, but its buckle-front satchel\/crossbody construction does not closely match the Coach catalog models shown in the reference knowledge.",
        "No Coach identifier is visible in the available photos, so a Coach model cannot be assigned.",
        "Condition appears Good: visible creasing, scuffing, edge darkening, and general wear are present in photos 1, 3, 4, 5, and 6; the interior is shown in photo 2 but odor and hidden damage are unknown."
    ],
    "confidence": 0.86,
    "recommended_max_bid": 15,
    "estimated_resale_low": 15,
    "estimated_resale_high": 45,
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 23803,
            "output_tokens": 911,
            "total_tokens": 24714,
            "estimated_cost_usd": 0.011708
        }
    ]
}