Vintage Coach Hunter

{
    "is_handbag_probability": 0.98,
    "coach_probability": 0.03,
    "vintage_probability": 0.02,
    "authenticity_confidence": 0.02,
    "image_quality_score": 0.82,
    "seller_misidentification_probability": 0.06,
    "estimated_era": "modern (2000s+), non-Coach",
    "possible_models": [],
    "positive_evidence": [
        "photo 1: Clearly a structured handbag with handles, flap closure, and multiple exterior views.",
        "photo 1: Seller describes the item as new with tags, though no brand identifier is visible."
    ],
    "negative_evidence": [
        "photo 1: Large black-and-white checkered exterior is not Coach Signature C canvas and no Coach wordmark, carriage, or hangtag is visible.",
        "photo 1: The dark, braided handles and decorative oval handle mounts do not match the documented construction of common vintage Coach classics.",
        "photo 5: Exterior side zipper and sharply contrasting printed\/checkered finish suggest a modern fashion handbag rather than vintage glove-tanned Coach leather.",
        "photo 1: No creed patch or other Coach identifier is visible in the provided views."
    ],
    "missing_information": [
        "photo request: straight-on interior view showing the back wall, pockets, lining, and any brand or creed patch",
        "photo request: close-ups of all interior tags, zipper pulls, and hardware markings",
        "photo request: bottom, corners, and handle attachment details",
        "photo request: seller-stated material, dimensions, and whether the checkered surface is genuine leather or synthetic"
    ],
    "authenticity_concerns": [
        "photo 1: The checkered motif is a generic diamond\/check pattern, not a recognizable Coach signature pattern.",
        "photo 1: No brand identifiers are visible despite the handbag being presented as NWT; this is more consistent with an unbranded modern bag than a misidentified vintage Coach piece."
    ],
    "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: Dark oval turning clasp centered on the flap; additional dark oval handle mounts and a visible side zipper in photo 5. No Coach engraving is visible.",
        "leather_description": "photo 1: Smooth-looking black-and-white checkered material with a sharply printed or embossed surface; genuine leather versus synthetic material cannot be determined from these photos.",
        "lining_description": "not_visible",
        "strap_construction": "photos 1 and 4: Two braided or wrapped short top handles; a detachable long shoulder strap is shown in photo 4.",
        "stitching_description": "photos 1 and 5: Visible contrasting perimeter stitching appears generally even, with no close-up sufficient to assess construction quality."
    },
    "possible_model_reasoning": [
        "No Coach model is a reasonable match: the checkered exterior, decorative handle mounts, braided handles, and side zipper do not correspond to the listed vintage Coach catalog silhouettes.",
        "Condition appears Like New\/NWT externally based on the seller title and clean exterior photos, but interior condition and actual tag status are not shown."
    ],
    "confidence": 0.78,
    "recommended_max_bid": 10,
    "estimated_resale_low": 10,
    "estimated_resale_high": 35,
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 26489,
            "output_tokens": 768,
            "total_tokens": 27257,
            "estimated_cost_usd": 0.012439
        }
    ]
}