Vintage Coach Hunter

{
    "is_handbag_probability": 0.98,
    "coach_probability": 0.02,
    "vintage_probability": 0.03,
    "authenticity_confidence": 0.02,
    "image_quality_score": 0.78,
    "seller_misidentification_probability": 0.12,
    "estimated_era": "modern (2000s+), non-Coach",
    "possible_models": [],
    "positive_evidence": [],
    "negative_evidence": [
        "photo 1: glossy black body, whipstitch edging, double-zip top, and silver-tone hardware do not match a recognizable vintage Coach classic.",
        "photo 2: construction appears lightweight and fashion-oriented rather than heavy glove-tanned leather with Coach-era brass hardware.",
        "photo 3: exposed side view shows multiple zipper compartments and plated-looking silver hardware, with no visible Coach identifiers.",
        "photo 4: seller explicitly describes the material as faux leather, which strongly weighs against vintage Coach leather construction."
    ],
    "missing_information": [
        "photo 1-4: interior, lining, and any sewn-in brand or care labels are not shown.",
        "photo 1-4: no close-up of the zipper pulls or hardware stamps is provided.",
        "photo 1-4: bottom, interior corners, and full strap attachment details are not comprehensively shown."
    ],
    "authenticity_concerns": [
        "photo 1-4: the faux-leather description and glossy synthetic-looking surface are inconsistent with the glove-tanned leather commonly found on vintage Coach classics.",
        "photo 1-4: no creed patch, serial\/style number, Coach wordmark, carriage, or Coach hangtag is visible."
    ],
    "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 1-4: silver-tone metal rings, zipper hardware, snaps, and strap attachments are visible; no Coach engraving is legible.",
        "leather_description": "photo 1-4: glossy black material described by the seller as faux leather; surface appears synthetic rather than vintage glove-tanned cowhide.",
        "lining_description": "not_visible",
        "strap_construction": "photo 1-4: single adjustable shoulder strap with stitched edges and silver-tone ring attachments; full adjustment details are not shown.",
        "stitching_description": "photo 1-4: contrasting whipstitch-like edging is visible around the body and side gussets; stitching appears decorative and is not characteristic evidence of Coach manufacture."
    },
    "possible_model_reasoning": [],
    "confidence": 0.87,
    "recommended_max_bid": 5,
    "estimated_resale_low": 5,
    "estimated_resale_high": 25,
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 16913,
            "output_tokens": 645,
            "total_tokens": 17558,
            "estimated_cost_usd": 0.008313
        }
    ]
}