Vintage Coach Hunter

{
    "is_handbag_probability": 0.99,
    "coach_probability": 0.03,
    "vintage_probability": 0.72,
    "authenticity_confidence": 0.03,
    "image_quality_score": 0.91,
    "seller_misidentification_probability": 0.04,
    "estimated_era": "modern (2000s+), non-Coach",
    "possible_models": [],
    "positive_evidence": [
        "photo 1: Structured handbag silhouette with flap closure and shoulder straps.",
        "photo 5: Interior and zippered pocket are clearly visible."
    ],
    "negative_evidence": [
        "photo 1: Glossy patent-like exterior is inconsistent with the matte glove-tanned leather typical of classic vintage Coach.",
        "photo 1: Hardware and closure do not resemble the elegant solid-brass Coach turnlock geometry.",
        "photo 4: Decorative dangling leather piece is not a clearly branded Coach hangtag.",
        "photo 5: Fabric-lined interior and shiny synthetic-looking lining are inconsistent with many classic unlined vintage Coach styles.",
        "photos 1-5: No legible COACH wordmark, carriage, creed patch, serial\/style number, or other Coach identifier is visible.",
        "photo 1: Construction and segmented structured silhouette appear generic rather than a recognizable Coach catalog model."
    ],
    "missing_information": [
        "Straight-on close-up of every interior wall and pocket for a possible creed or fabric brand label.",
        "Close-ups of all hardware, including any marks on the closure and zipper pull.",
        "Bottom, corner, strap-anchor, and stitching close-ups.",
        "Seller states no identifying maker markings were found, but this is not independently verifiable from the available views."
    ],
    "authenticity_concerns": [
        "The patent-like finish, fabric lining, and generic hardware provide no visible Coach-specific evidence and are more consistent with a non-Coach lookalike or unbranded vintage bag.",
        "No creed or serial is visible, so Coach manufacture cannot be supported from identifiers."
    ],
    "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: Gold-tone flap closure with a small rotating-looking tab; photo 4: additional gold-tone clasp detail. No brand engraving is legible. The hardware does not visibly match a classic Coach turnlock.",
        "leather_description": "photos 1-4: Dark navy, highly glossy patent-like material with visible surface scratches and scuffs; natural leather grain is not visible.",
        "lining_description": "photo 5: Gray fabric\/synthetic-looking lining with an interior zippered pocket; no creed patch or brand label is visible.",
        "strap_construction": "photos 1-4: Two fixed shoulder handles\/straps attached at the front and a long narrow strap-like element visible toward the rear; attachment construction is generic and no Coach clips are visible.",
        "stitching_description": "photos 1-4: Machine-stitched perimeter and vertical seams appear generally even; no distinctive Coach construction detail is visible."
    },
    "possible_model_reasoning": [
        "No Coach model is a convincing match from the visible silhouette, patent-like material, closure, and lining.",
        "The seller's 1960s-1970s estimate is possible for a vintage handbag, but the photos do not show Coach-specific Cashin-era labels, metal tags, distinctive lining, or construction.",
        "Condition: Good; surface scratches and scuffs are visible in photos 1-4, while the interior appears intact in photo 5."
    ],
    "confidence": 0.88,
    "recommended_max_bid": 10,
    "estimated_resale_low": 10,
    "estimated_resale_high": 35,
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 17742,
            "output_tokens": 909,
            "total_tokens": 18651,
            "estimated_cost_usd": 0.009278
        }
    ]
}