Vintage Coach Hunter

{
    "is_handbag_probability": 0.99,
    "coach_probability": 0.02,
    "vintage_probability": 0.01,
    "authenticity_confidence": 0.02,
    "image_quality_score": 0.86,
    "seller_misidentification_probability": 0.04,
    "estimated_era": "modern (2000s+), non-Coach",
    "possible_models": [],
    "positive_evidence": [],
    "negative_evidence": [
        "photo 1: Burgundy quilted synthetic-looking shoulder bag with a chain strap and generic rectangular turn-style clasp; no visible Coach branding.",
        "photo 2: Product image identifies faux leather and shows a small contemporary bag with a gold-tone chain and generic clasp, unlike classic vintage Coach construction.",
        "photo 3: Visible exterior has highly glossy quilted material, a chain-and-faux-leather strap, and no Coach wordmark, carriage, hangtag, or other identifier."
    ],
    "missing_information": [
        "photo 1-3: Interior, lining, creed area, fabric tags, and any hidden brand labels are not shown.",
        "photo 1-3: No close-up of the clasp, chain hardware, stitching, or underside is provided."
    ],
    "authenticity_concerns": [
        "photo 1-3: The faux-leather material, quilted fashion silhouette, gold-tone chain strap, and generic clasp are inconsistent with the unlined glove-tanned leather and solid-brass construction typical of vintage Coach.",
        "photo 1-3: No Coach identifier is visible; this appears to be a generic contemporary lookalike rather than a Coach bag."
    ],
    "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": true,
        "hangtag_present": false,
        "hardware_description": "photo 1-3: Gold-tone rectangular clasp with a small turning element and gold-tone chain strap; no visible branding. Hardware appears contemporary and plated.",
        "leather_description": "photo 1-3: Glossy burgundy quilted faux leather, as stated in the listing title; not visible as natural glove-tanned leather.",
        "lining_description": "not_visible",
        "strap_construction": "photo 1-3: Long gold-tone chain strap interwoven with narrow burgundy material sections; detachable attachment points are visible in photo 3.",
        "stitching_description": "photo 1-3: Visible machine-style stitching follows the quilted diamond panels and bag edges; no obvious Coach-specific construction detail is visible."
    },
    "possible_model_reasoning": [
        "photo 1-3: The compact flap shoulder-bag silhouette does not closely match a documented vintage Coach model, and the chain strap and quilted faux leather point to a modern generic fashion bag.",
        "photo 1-3: No creed or serial is visible, so no Coach era or style number can be established.",
        "photo 1-3: Condition appears new or near-new in the supplied promotional photos, but the interior and functional condition are unverified."
    ],
    "confidence": 0.91,
    "recommended_max_bid": 5,
    "estimated_resale_low": 5,
    "estimated_resale_high": 25,
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 20682,
            "output_tokens": 761,
            "total_tokens": 21443,
            "estimated_cost_usd": 0.010099
        }
    ]
}