Vintage Coach Hunter

{
    "is_handbag_probability": 0.99,
    "coach_probability": 0.02,
    "vintage_probability": 0.01,
    "authenticity_confidence": 0.02,
    "image_quality_score": 0.88,
    "seller_misidentification_probability": 0.12,
    "estimated_era": "modern (2000s+), non-Coach",
    "possible_models": [],
    "positive_evidence": [],
    "negative_evidence": [
        "photo 1: Seller title explicitly describes the material as PU leather, which is inconsistent with the glove-tanned leather typical of vintage Coach classics.",
        "photos 1-4: The bag has a modern structured satchel design with pebbled synthetic-looking material, bright gold-tone hardware, decorative metal plaque and ornate charm rather than recognizable vintage Coach identifiers.",
        "photo 5: Interior appears fabric-lined with multiple zip compartments, unlike the unlined suede-back interiors of many classic vintage Coach styles.",
        "photos 1-6: No legible Coach wordmark, horse-and-carriage mark, creed patch, serial\/style number, or authentic Coach hangtag is visible.",
        "photos 1-6: Images appear to be polished product photographs in multiple colors, consistent with a mass-produced contemporary unbranded listing rather than a secondhand vintage item."
    ],
    "missing_information": [
        "photo 1-6: No close-up of the interior back wall, pocket, or seam tags is provided.",
        "photo 1-6: No close-up of the decorative plaque, zipper pulls, or hardware markings is provided.",
        "photo 1-6: No underside, bottom, corner-wear, or material-edge detail is provided; condition cannot be independently assessed from product photos.",
        "photo 1-6: Seller-provided dimensions and stock photos do not establish brand or authenticity."
    ],
    "authenticity_concerns": [
        "photos 1-6: PU construction and modern synthetic-looking interior are inconsistent with a vintage Coach leather classic.",
        "photos 1-6: The decorative script plaque and large ornamental charm are not Coach identifiers and may evoke designer styling without proving brand affiliation.",
        "photos 1-6: Lack of any visible creed, serial\/style code, Coach wordmark, or horse-and-carriage mark makes Coach manufacture unsupported."
    ],
    "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 gold-tone rectangular and U-shaped handle fittings, rings, clips, zippers, and a decorative script-style metal charm are visible; no Coach engraving is legible.",
        "leather_description": "photos 1-4: Pebbled gray and black material with uniform surface and synthetic-looking construction; seller states PU leather.",
        "lining_description": "photo 5: Black fabric or synthetic lining with multiple zippered compartments is visible; exact fiber content is not visible.",
        "strap_construction": "photos 1-4: Two rounded carry handles plus a detachable adjustable shoulder strap with gold-tone clips and buckles are visible.",
        "stitching_description": "photos 1-4: Straight, regular contrasting-edge stitching is visible on the exterior; stress-point construction and underside stitching are not shown."
    },
    "possible_model_reasoning": [
        "photo 1: The silhouette is a contemporary structured satchel\/tote with detachable crossbody strap, not a close match to a specific vintage Coach catalog model.",
        "photo 5: The multi-compartment lined interior supports a modern mass-market handbag interpretation rather than an unlined vintage glove-tanned Coach classic.",
        "photos 1-6: No Coach style number or identifier is visible, so no Coach model can be responsibly assigned.",
        "photos 1-6: Condition cannot be graded reliably because these appear to be new product images rather than wear-documenting photographs; no visible damage is apparent in the supplied images."
    ],
    "confidence": 0.91,
    "recommended_max_bid": 5,
    "estimated_resale_low": 5,
    "estimated_resale_high": 20,
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 24233,
            "output_tokens": 937,
            "total_tokens": 25170,
            "estimated_cost_usd": 0.011942
        }
    ]
}