Vintage Coach Hunter

{
    "is_handbag_probability": 0.98,
    "coach_probability": 0.22,
    "vintage_probability": 0.48,
    "authenticity_confidence": 0.18,
    "image_quality_score": 0.78,
    "seller_misidentification_probability": 0.22,
    "estimated_era": "unknown",
    "possible_models": [],
    "positive_evidence": [
        "photo 1: leather shoulder handbag with a compact flap\/closure silhouette and gold-tone hardware, broadly compatible with some vintage Coach shapes",
        "photo 5: visible bottom feet and structured construction are consistent with a quality leather handbag"
    ],
    "negative_evidence": [
        "photo 1: no legible COACH wordmark, horse-and-carriage mark, or leather hangtag is visible",
        "photos 2 and 4: clasp and hardware appear generic; no clearly identifiable Coach turnlock geometry is visible",
        "photo 3: glossy black leather and visible shaping do not specifically establish Coach manufacture",
        "seller describes the item only as vintage leather and does not provide a brand or Coach identifier"
    ],
    "missing_information": [
        "Interior\/back-wall photo showing whether a creed patch or brand label is present",
        "Straight-on close-up of the closure and all hardware",
        "Close-up of any zipper pull, interior labels, or stamps",
        "Clear strap, stitching, and edge-finish details",
        "Seller-stated measurements and photos of the interior, corners, and lining"
    ],
    "authenticity_concerns": [
        "No Coach identifier is visible, so this may be an unbranded or lookalike leather handbag rather than Coach",
        "The generic clasp and glossy construction cannot be matched confidently to a specific Coach model"
    ],
    "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": "Gold-tone small clasp\/closure and small feet are visible in photos 1, 2, 4, and 6; no brand engraving is legible. A strap ring and buckle-like hardware are visible.",
        "leather_description": "Black leather or leather-like material with a glossy finish, visible creasing and some surface irregularity in photos 1, 3, and 4; exact leather type is not verifiable.",
        "lining_description": "not_visible",
        "strap_construction": "Wide adjustable-looking black shoulder strap with stitched edges and visible attachment hardware in photos 1, 2, 4, and 5; full adjustment construction is not shown.",
        "stitching_description": "Visible perimeter and strap stitching appears generally even in photos 1, 3, 4, and 6, though close-up quality is insufficient for detailed assessment."
    },
    "possible_model_reasoning": [
        "No Coach model can be identified confidently without an interior identifier; the silhouette is too generic and does not clearly match a catalog style.",
        "Condition appears Very Good to Excellent externally: light creasing and handling marks are visible in photos 1 and 3, while bottom feet and seams appear intact in photo 6; interior condition is unknown."
    ],
    "confidence": 0.67,
    "recommended_max_bid": 15,
    "estimated_resale_low": 15,
    "estimated_resale_high": 45,
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 17709,
            "output_tokens": 781,
            "total_tokens": 18490,
            "estimated_cost_usd": 0.008958
        }
    ]
}