Vintage Coach Hunter

{
    "is_handbag_probability": 0.98,
    "coach_probability": 0.02,
    "vintage_probability": 0.01,
    "authenticity_confidence": 0.02,
    "image_quality_score": 0.78,
    "seller_misidentification_probability": 0.03,
    "estimated_era": "modern (2000s+), non-Coach",
    "possible_models": [],
    "positive_evidence": [],
    "negative_evidence": [
        "photo 1: listing image shows a modern compact crossbody with synthetic-looking pebbled material, multiple zip compartments, and generic buckle detailing rather than a recognizable vintage Coach silhouette.",
        "photo 1: no Coach wordmark, horse-and-carriage, creed patch, serial number, or leather hangtag is visible.",
        "photo 2: lifestyle image appears promotional\/AI-generated and does not provide useful construction or brand-identification evidence.",
        "listing text: seller title explicitly describes the bag as vegan leather and unbranded."
    ],
    "missing_information": [
        "photo 1: interior, lining, labels, and any sewn-in brand or material tags are not shown.",
        "photo 1: close-ups of zipper pulls, hardware backs, strap attachments, and stitching are not provided.",
        "photo 1: bottom, side, and interior views are not provided; condition cannot be independently assessed from product imagery.",
        "photo 2: likely promotional\/AI-generated lifestyle image rather than a direct photograph of the actual item."
    ],
    "authenticity_concerns": [
        "photo 1: synthetic-looking material and generic modern construction are inconsistent with the classic vintage Coach leather handbag population.",
        "photo 1: no Coach identifier is visible, and the buckle-style front detail is not a Coach turnlock."
    ],
    "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: gold-tone rings, zipper hardware, buckle, and lobster-style strap clips are visible; no Coach engraving is visible.",
        "leather_description": "photo 1: black pebbled, uniform material that appears synthetic or vegan leather; genuine leather cannot be confirmed.",
        "lining_description": "not_visible",
        "strap_construction": "photo 1: adjustable black shoulder strap with gold-tone clip attachments; strap appears synthetic and edge-finished.",
        "stitching_description": "photo 1: visible machine stitching appears generally even around the flap and body; detailed stress-point construction is not assessable."
    },
    "possible_model_reasoning": [
        "The compact rectangular multi-compartment crossbody and front buckle are generic modern features, not enough to match a Coach model.",
        "Condition: not gradable because the images appear to be product\/promotional imagery and do not show the actual item's wear, interior, bottom, or corners."
    ],
    "confidence": 0.88,
    "recommended_max_bid": 8,
    "estimated_resale_low": 5,
    "estimated_resale_high": 25,
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 15919,
            "output_tokens": 710,
            "total_tokens": 16629,
            "estimated_cost_usd": 0.008072
        }
    ]
}