Vintage Coach Hunter

{
    "is_handbag_probability": 0.98,
    "coach_probability": 0.01,
    "vintage_probability": 0.01,
    "authenticity_confidence": 0.01,
    "image_quality_score": 0.88,
    "seller_misidentification_probability": 0.08,
    "estimated_era": "modern (2000s+), non-Coach",
    "possible_models": [],
    "positive_evidence": [],
    "negative_evidence": [
        "photo 1: coffin-shaped novelty silhouette with gothic cross decoration is not a recognizable vintage Coach model",
        "photo 1: glossy black plastic\/jelly-like exterior is inconsistent with vintage Coach glove-tanned leather",
        "photo 1: decorative silver-tone cross and studded edging do not match typical vintage Coach hardware",
        "photo 1: ball-chain shoulder strap is unlike the leather straps and brass clips used on the cited vintage Coach classics",
        "photo 4: seller-provided dimensions and product image reinforce that this is a modern novelty bag rather than a vintage leather handbag"
    ],
    "missing_information": [
        "photo 1: interior, lining, brand label, and any construction tags are not shown",
        "photo 1: zipper or closure details are not shown clearly",
        "photo 1: bottom and interior condition views are absent"
    ],
    "authenticity_concerns": [
        "photo 1: glossy synthetic\/plastic construction and gothic novelty styling are inconsistent with Coach vintage construction; this appears to be a non-Coach lookalike or novelty bag rather than a Coach product"
    ],
    "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: silver-tone decorative cross ornament, round studs, and a dark ball-chain strap are visible; no Coach-marked hardware is legible",
        "leather_description": "photo 1: glossy black synthetic or plastic\/jelly-like material; natural leather is not visible",
        "lining_description": "not_visible",
        "strap_construction": "photo 1: long dark metal ball-chain crossbody strap attached at the sides",
        "stitching_description": "photo 1: visible perimeter seams appear machine-made; detailed stitch quality is not assessable"
    },
    "possible_model_reasoning": [
        "photo 1: coffin-shaped body, gothic cross ornament, studs, and chain strap identify a novelty gothic crossbody rather than a catalog Coach model",
        "photo 4: stated dimensions of approximately 22 cm by 13 cm by 6.5 cm are consistent with a small modern novelty purse",
        "Condition: appears Very Good from the visible exterior, with no obvious major damage; interior, lining, odor, and functional closure are unknown"
    ],
    "confidence": 0.94,
    "recommended_max_bid": 8,
    "estimated_resale_low": 5,
    "estimated_resale_high": 25,
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 21767,
            "output_tokens": 709,
            "total_tokens": 22476,
            "estimated_cost_usd": 0.010408
        }
    ]
}