Vintage Coach Hunter

{
    "is_handbag_probability": 0.98,
    "coach_probability": 0.04,
    "vintage_probability": 0.58,
    "authenticity_confidence": 0.03,
    "image_quality_score": 0.77,
    "seller_misidentification_probability": 0.08,
    "estimated_era": "modern (2000s+), non-Coach",
    "possible_models": [],
    "positive_evidence": [
        "photo 1: clearly a leather shoulder bag with an adjustable strap and zip-top construction.",
        "photo 2: substantial multicolor leather patchwork and visible metal strap attachments.",
        "photo 3: leather strap attachment and ring hardware are visible."
    ],
    "negative_evidence": [
        "photo 1: no visible COACH wordmark, horse-and-carriage, creed patch, or recognizable Coach branding.",
        "photo 2: the geometric multicolor patchwork construction does not match the documented classic Coach glove-tanned silhouettes or signature canvas lines.",
        "photo 3: visible hardware appears silver-tone and generic rather than the solid brass hardware typical of many 1970s\u2013early-1990s Coach classics.",
        "photo 1: the bag has a fashion-patchwork appearance rather than a documented Coach model shape.",
        "listing description: seller states made in Mexico, but no manufacturing label is visible in the photos."
    ],
    "missing_information": [
        "Interior view, including the back wall, pockets, lining, and any leather creed or fabric label.",
        "Close-up of every interior and exterior label, stamp, or zipper pull.",
        "Full front, back, bottom, side, and strap views.",
        "Seller-stated dimensions and a close-up of the zipper hardware."
    ],
    "authenticity_concerns": [
        "No Coach identifier is visible, so the bag currently reads as a generic or artisan leather patchwork bag rather than a Coach item.",
        "The silver-tone hardware and patchwork construction are not strongly consistent with a classic vintage Coach model, although the interior and labels are not shown."
    ],
    "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 3: silver-tone rings and strap connectors are visible; no branded engraving is legible.",
        "leather_description": "photos 1-6: multicolor leather patchwork with smooth-to-pebbled grain appearance; exact leather type is not verifiable from photos.",
        "lining_description": "not_visible",
        "strap_construction": "photos 1-3: adjustable shoulder strap attached with metal rings\/clips; strap appears assembled from leather sections.",
        "stitching_description": "photos 1-6: visible stitching appears generally even along patchwork seams, but stress-point construction is not fully shown."
    },
    "possible_model_reasoning": [
        "No documented Coach model is a close match for this multicolor patchwork shoulder-bag silhouette, so no Coach model is proposed.",
        "Seller's 1980s\/1990s and Mexico claims are unverified by visible labels and are weak evidence only.",
        "Condition: approximately Very Good; leather appears intact with light patina or minor surface variation, but the interior, bottom, odor, and strap wear are not shown."
    ],
    "confidence": 0.72,
    "recommended_max_bid": 15,
    "estimated_resale_low": 15,
    "estimated_resale_high": 50,
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 18125,
            "output_tokens": 763,
            "total_tokens": 18888,
            "estimated_cost_usd": 0.009081
        }
    ]
}