Vintage Coach Hunter

{
    "is_handbag_probability": 0.99,
    "coach_probability": 0.01,
    "vintage_probability": 0.01,
    "authenticity_confidence": 0.01,
    "image_quality_score": 0.97,
    "seller_misidentification_probability": 0.03,
    "estimated_era": "modern (2000s+), non-Coach",
    "possible_models": [],
    "positive_evidence": [],
    "negative_evidence": [
        "photo 1: visible Montana West wordmark, which identifies the maker rather than Coach.",
        "photo 4: close-up clearly shows Montana West branding on the front.",
        "photo 5: interior lining is printed with repeated Montana West branding and includes a red Montana West label.",
        "photo 4: seller-described PU\/vegan leather and photos show a modern synthetic tote with fabric lining, unlike classic vintage Coach glove-tanned construction.",
        "photo 3: tote-and-pouch design, gold-tone hardware, and contemporary structured styling are not a recognizable vintage Coach model."
    ],
    "missing_information": [
        "photo 5 shows the interior sufficiently, but no additional information is needed to determine that the bag is visibly branded Montana West rather than Coach."
    ],
    "authenticity_concerns": [
        "photo 1: the bag is explicitly branded Montana West, not Coach; it is a non-Coach lookalike only in the broad sense of being a handbag.",
        "photo 5: repeated brand-print lining and modern label are inconsistent with a vintage Coach identification."
    ],
    "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 4: gold-tone zipper and small hardware; no Coach-marked hardware visible.",
        "leather_description": "photo 1: navy textured synthetic\/PU leather with brown contrast trim; seller states vegan\/PU leather.",
        "lining_description": "photo 5: fabric lining printed repeatedly with Montana West branding, with a red Montana West label and multiple interior compartments.",
        "strap_construction": "photos 1-4: two long fixed shoulder straps with adjustable buckle sections and brown synthetic trim.",
        "stitching_description": "photos 1-4: visible machine stitching appears regular; construction is modern and factory-made."
    },
    "possible_model_reasoning": [
        "No Coach model is appropriate: the visible Montana West wordmark and branded lining identify a different manufacturer.",
        "Condition: appears new or like-new in the supplied product photos; actual secondhand condition cannot be verified from promotional images."
    ],
    "confidence": 0.98,
    "recommended_max_bid": 10,
    "estimated_resale_low": 10,
    "estimated_resale_high": 30,
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 17812,
            "output_tokens": 549,
            "total_tokens": 18361,
            "estimated_cost_usd": 0.008442
        }
    ]
}