Vintage Coach Hunter

{
    "is_handbag_probability": 0.98,
    "coach_probability": 0.03,
    "vintage_probability": 0.86,
    "authenticity_confidence": 0.02,
    "image_quality_score": 0.9,
    "seller_misidentification_probability": 0.08,
    "estimated_era": "modern (2000s+), non-Coach",
    "possible_models": [],
    "positive_evidence": [
        "photo 3: Clearly a handbag with a gathered body, metal kiss-lock frame, chain handle, and button-style clasp.",
        "photo 4: Interior visibly has black fabric\/taffeta lining and a metal frame."
    ],
    "negative_evidence": [
        "photo 1: Seller-described vegan material is consistent with the smooth synthetic-looking exterior; no Coach leather construction is visible.",
        "photo 1: Decorative round clasp and thin gold-tone chain are not characteristic of classic Coach turnlock or dogleash hardware.",
        "photo 3: Gathered kiss-lock frame silhouette is a generic vintage evening\/purse design rather than a recognizable Coach classic.",
        "photo 4: Fabric-lined interior and framed construction provide no visible Coach identifier."
    ],
    "missing_information": [
        "photo 4: No interior leather creed patch, Coach label, serial\/style tag, or fabric brand tag is visible.",
        "photo 1: No close-up of clasp, chain attachment, or any maker's marking.",
        "photo 2: Bottom and side construction are only partially shown; material composition and edge construction are not independently verifiable."
    ],
    "authenticity_concerns": [
        "photo 1: The seller's vegan-material description conflicts with the leather construction expected for the vintage Coach population; no Coach identifier offsets this.",
        "photo 4: No creed, wordmark, hangtag, or other Coach-specific identifier is visible."
    ],
    "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\/photo 4: Gold-tone metal kiss-lock frame, round decorative black button clasp with a textured rim, and fine chain handle; no Coach engraving is visible.",
        "leather_description": "photo 1\/photo 3: Smooth black material with soft gathers and creasing; seller states vegan, so genuine leather is not supported.",
        "lining_description": "photo 4: Black fabric\/taffeta-style lining is visible inside the metal frame.",
        "strap_construction": "photo 1\/photo 3: Thin gold-tone chain handle attached at the upper sides.",
        "stitching_description": "photo 3\/photo 4: Exterior seams and gathered attachment are visible, but stitch quality is not sufficiently detailed for a reliable assessment."
    },
    "possible_model_reasoning": [
        "photo 1\/photo 3: The framed, gathered evening-purse shape does not match the listed vintage Coach classic models, which generally use leather bodies and Coach-specific turnlock, clasp, or strap constructions.",
        "photo 4: The fabric lining and metal frame are consistent with a generic vintage evening bag; no Coach model or style number is visible.",
        "Condition: Very Good; exterior shows creasing and light surface wear, while the frame, clasp, chain, and lining appear intact in the provided photos. Bottom, odor, and hidden interior condition remain unknown."
    ],
    "confidence": 0.91,
    "recommended_max_bid": 5,
    "estimated_resale_low": 5,
    "estimated_resale_high": 30,
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 16864,
            "output_tokens": 700,
            "total_tokens": 17564,
            "estimated_cost_usd": 0.008426
        }
    ]
}