Vintage Coach Hunter

{
    "is_handbag_probability": 0.98,
    "coach_probability": 0.08,
    "vintage_probability": 0.12,
    "authenticity_confidence": 0.05,
    "image_quality_score": 0.72,
    "seller_misidentification_probability": 0.08,
    "estimated_era": "modern (2000s+), non-Coach",
    "possible_models": [],
    "positive_evidence": [
        "photo 1: clearly a leather shoulder handbag with a zip-top opening, multiple exterior pockets, and an adjustable shoulder strap.",
        "photo 1: the bag appears to use substantial leather and fairly even visible stitching."
    ],
    "negative_evidence": [
        "photo 1: no visible COACH wordmark, horse-and-carriage, creed patch, hangtag, or recognizable Coach hardware.",
        "photo 1: silver-tone rivets and zipper hardware are visible rather than the solid brass hardware commonly associated with many vintage Coach classics.",
        "photo 1: the heavily pebbled, highly paneled hobo construction is generic and does not provide a strong match to the listed vintage Coach silhouettes.",
        "photo 2: the reverse shows no visible brand mark or Coach identifier."
    ],
    "missing_information": [
        "photo 1-2: interior is not shown; request a fully opened interior, lining, pockets, and any sewn-in labels.",
        "photo 1-2: no close-up of any interior creed patch, fabric tag, zipper pull, or hardware stamp.",
        "photo 1-2: bottom, corners, and full strap attachment details are not shown closely.",
        "photo 1-2: seller-stated dimensions, country of manufacture, and any hidden markings are unavailable."
    ],
    "authenticity_concerns": [
        "The visible design is consistent with a generic or other-brand pebbled leather shoulder bag, but the absence of Coach identifiers prevents a Coach attribution.",
        "The silver-tone hardware and modern multi-panel construction would be inconsistent with many presumed 1970s-early-1990s classic Coach models, though the exact manufacture date cannot be established from these photos."
    ],
    "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 1-2: silver-tone rivets and zipper hardware are visible; no readable brand engraving is shown.",
        "leather_description": "photo 1-2: dark brown or burgundy-brown, pebbled leather with extensive paneling and visible natural-looking wrinkling.",
        "lining_description": "not_visible",
        "strap_construction": "photo 1-2: adjustable shoulder strap with folded or padded sections and metal adjustment hardware; close construction details are limited.",
        "stitching_description": "photo 1-2: visible tonal stitching appears generally even along the exterior panels and strap."
    },
    "possible_model_reasoning": [
        "The zip-top shoulder-bag silhouette and exterior pockets do not closely identify a specific Coach catalog model; no Coach model is proposed at this probability level.",
        "Condition: approximately Very Good from the visible exterior; leather shows creasing and handling wrinkles but no obvious major tears or broken hardware in the supplied views. Interior, odor, mold, bottom, and strap-fold condition remain unknown."
    ],
    "confidence": 0.68,
    "recommended_max_bid": 12,
    "estimated_resale_low": 10,
    "estimated_resale_high": 35,
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 19653,
            "output_tokens": 766,
            "total_tokens": 20419,
            "estimated_cost_usd": 0.0097
        }
    ]
}