Vintage Coach Hunter

{
    "is_handbag_probability": 0.98,
    "coach_probability": 0.02,
    "vintage_probability": 0.68,
    "authenticity_confidence": 0.02,
    "image_quality_score": 0.86,
    "seller_misidentification_probability": 0.03,
    "estimated_era": "1994-2003",
    "possible_models": [],
    "positive_evidence": [],
    "negative_evidence": [
        "photo 3: the clearly visible embossed patch reads \"PERRY ELLIS AMERICA,\" identifying the bag as Perry Ellis rather than Coach.",
        "photos 1-6: no Coach wordmark, horse-and-carriage, creed patch, serial\/style number, or Coach hangtag is visible.",
        "photos 1-6: the simple black leather flap silhouette is generic and does not establish Coach manufacture.",
        "photo 6: seller's tape measure shows approximately 10 inches in width; this is consistent with a small generic shoulder bag but does not identify Coach."
    ],
    "missing_information": [
        "photo 1-6: interior, lining, closure, zipper, and any interior brand or care labels are not shown.",
        "photo 1-6: bottom, side construction, strap attachment details, and hardware close-ups are limited or absent.",
        "A straight-on interior label and any underside or hardware markings would be needed to document construction more fully."
    ],
    "authenticity_concerns": [],
    "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 1-6: no distinctive metal hardware or turnlock is visibly shown; the bag appears to use a flap closure, but the closure mechanism is not visible.",
        "leather_description": "photos 1-6: smooth black leather or leather-like material with a relatively uniform finish; exact material cannot be confirmed from photos.",
        "lining_description": "not_visible",
        "strap_construction": "photos 1-6: thin narrow black shoulder strap, apparently attached at the side; adjustment and attachment hardware are not clearly visible.",
        "stitching_description": "photos 1-4: perimeter stitching appears generally even and clean, with rounded flap edges; close-up stress-point construction is not shown."
    },
    "possible_model_reasoning": [
        "The visible Perry Ellis America branding rules out a Coach model attribution based on the available evidence.",
        "The seller's stated 1990s dating is plausible but not independently confirmed by a visible date or manufacturing label.",
        "Condition appears approximately Very Good to Excellent from the exterior photos: leather is intact with no obvious major corner wear, tears, or stains; interior condition is unknown."
    ],
    "confidence": 0.9,
    "recommended_max_bid": 15,
    "estimated_resale_low": 15,
    "estimated_resale_high": 45,
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 18091,
            "output_tokens": 921,
            "total_tokens": 19012,
            "estimated_cost_usd": 0.009447
        }
    ]
}