Vintage Coach Hunter

{
    "is_handbag_probability": 0.99,
    "coach_probability": 0.01,
    "vintage_probability": 0.01,
    "authenticity_confidence": 0.01,
    "image_quality_score": 0.78,
    "seller_misidentification_probability": 0.12,
    "estimated_era": "modern (2000s+), non-Coach",
    "possible_models": [],
    "positive_evidence": [],
    "negative_evidence": [
        "photo 1: Listing depicts a generic multi-pocket crossbody handbag with no visible Coach wordmark, creed, horse-and-carriage emblem, or hangtag.",
        "photo 1: Seller identifies the material as PU leather; the surface appears thin, synthetic, and heavily textured rather than vintage glove-tanned cowhide.",
        "photo 1: Numerous bright silver-tone zippers, snaps, and strap hardware are inconsistent with the solid brass hardware commonly seen on classic vintage Coach styles.",
        "photo 1: The many exterior zip pockets, quilted front panel, and generic utility silhouette do not match a clearly recognizable vintage Coach model.",
        "photo 1: The image appears to be a clean product\/stock-style photograph rather than a detailed secondhand listing photo."
    ],
    "missing_information": [
        "photo 1: Interior, lining, bottom, side, strap ends, and any sewn-in brand or material labels are not shown.",
        "A straight-on close-up of any interior label, embossed mark, zipper pull, or hardware stamp would be needed for further brand assessment.",
        "Seller-stated dimensions and condition details are absent."
    ],
    "authenticity_concerns": [
        "photo 1: Visible construction and seller-stated PU material strongly indicate a modern non-Coach synthetic bag rather than a vintage Coach leather handbag.",
        "photo 1: No Coach identifier is visible, and the generic design does not provide a credible model match."
    ],
    "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: Bright silver-tone zipper hardware, snaps, rectangular strap adjuster, and lobster-style attachment hardware are visible; no Coach engraving is visible.",
        "leather_description": "photo 1: Brown synthetic-looking, heavily textured and quilted material; listing explicitly says PU leather.",
        "lining_description": "not_visible",
        "strap_construction": "photo 1: Wide adjustable synthetic strap with silver-tone rectangular adjuster and side attachment hardware.",
        "stitching_description": "photo 1: Machine-stitched, generally even contrasting brown stitching is visible around pockets and quilted panels."
    },
    "possible_model_reasoning": [
        "No Coach model is a reasonable match because the bag is a modern multi-pocket PU crossbody with a generic utility design and no Coach identifiers.",
        "Condition: Not reliably gradable from the stock-style photo; visible exterior appears unused, but interior, bottom, corners, odor, and functional condition are unknown."
    ],
    "confidence": 0.9,
    "recommended_max_bid": 8,
    "estimated_resale_low": 5,
    "estimated_resale_high": 25,
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 16825,
            "output_tokens": 745,
            "total_tokens": 17570,
            "estimated_cost_usd": 0.008518
        }
    ]
}