Vintage Coach Hunter

{
    "is_handbag_probability": 0.98,
    "coach_probability": 0.02,
    "vintage_probability": 0.55,
    "authenticity_confidence": 0.02,
    "image_quality_score": 0.78,
    "seller_misidentification_probability": 0.08,
    "estimated_era": "unknown",
    "possible_models": [],
    "positive_evidence": [
        "photo 2: clearly constructed as a handbag with large wooden handles and a textile body.",
        "photo 1: the openwork macram\u00e9 construction is consistent with a vintage textile accessory."
    ],
    "negative_evidence": [
        "photo 1: body is ivory cotton rope\/macram\u00e9 rather than Coach glove-tanned leather, coated canvas, or recognizable Coach material.",
        "photo 2: wooden oval handles and macram\u00e9 attachment are not characteristic of the cataloged vintage Coach handbag construction.",
        "photos 1-6: no visible COACH wordmark, horse-and-carriage, creed patch, serial\/style number, or Coach hangtag."
    ],
    "missing_information": [
        "Interior view, including any sewn-in labels or leather patches.",
        "Close-up of any interior tag, maker label, or markings.",
        "Full front, back, bottom, and handle-attachment views.",
        "Seller-stated 1970s\u20131980s dating is unverified by the photos."
    ],
    "authenticity_concerns": [
        "photos 1-6: this appears to be an unbranded macram\u00e9\/rope handbag rather than a Coach product.",
        "photos 1-6: no Coach identifier is visible, and the material and construction are inconsistent with the vintage Coach leather-bag population."
    ],
    "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": "photos 2-6: large brown wooden oval handles with visible surface scratches\/scuffs; no Coach-marked hardware visible.",
        "leather_description": "not_visible; the visible body is ivory cotton rope\/macram\u00e9.",
        "lining_description": "not_visible; interior is not shown.",
        "strap_construction": "photos 1-4: fixed rope\/macram\u00e9 body attached directly to large wooden handles; no detachable leather or adjustable strap visible.",
        "stitching_description": "photos 1-4: hand-knotted\/openwork rope construction is visible; conventional leather-bag stitching is not visible."
    },
    "possible_model_reasoning": [
        "No Coach model is a reasonable match because the visible bag is macram\u00e9 with wooden handles, while the listed vintage Coach models are primarily leather or Coach-specific canvas constructions.",
        "Condition: seller states Very Good; photos show visible surface scratches\/scuffs on the wooden handles (photos 2, 3, and 6), while the interior and bottom condition are unknown."
    ],
    "confidence": 0.86,
    "recommended_max_bid": 8,
    "estimated_resale_low": 10,
    "estimated_resale_high": 35,
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 18003,
            "output_tokens": 753,
            "total_tokens": 18756,
            "estimated_cost_usd": 0.009008
        }
    ]
}