Vintage Coach Hunter

{
    "is_handbag_probability": 0.98,
    "coach_probability": 0.02,
    "vintage_probability": 0.04,
    "authenticity_confidence": 0.02,
    "image_quality_score": 0.45,
    "seller_misidentification_probability": 0.12,
    "estimated_era": "modern (2000s+), non-Coach",
    "possible_models": [],
    "positive_evidence": [],
    "negative_evidence": [
        "photo 1: bag body appears to be shiny khaki nylon or synthetic fabric rather than Coach glove-tanned leather or identifiable Coach signature canvas",
        "photo 1: no visible Coach wordmark, horse-and-carriage, creed patch, style number, or hangtag",
        "photo 1: decorative chain-and-leather shoulder strap and gathered nylon construction do not provide a recognizable Coach model cue",
        "photo 1: seller lists the bag as unbranded, with no brand-specific information"
    ],
    "missing_information": [
        "photo 1 shows only a worn exterior view; request a clear interior photo, including every label, patch, and pocket seam",
        "request close-ups of zipper pulls, strap attachments, hardware, bottom, and all sides",
        "request a straight-on photo of any interior or exterior stamped markings"
    ],
    "authenticity_concerns": [
        "photo 1: nylon\/synthetic construction is inconsistent with the classic vintage Coach leather handbag population",
        "photo 1: no Coach identifiers are visible, so Coach manufacture cannot be supported"
    ],
    "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: brass-tone chain and ring hardware with a leather shoulder attachment; no Coach engraving is legible",
        "leather_description": "photo 1: brown leather-look strap or trim is visible, but the main bag body appears shiny khaki nylon or synthetic fabric",
        "lining_description": "not_visible",
        "strap_construction": "photo 1: shoulder strap combines brown leather-look sections with a brass-tone chain segment",
        "stitching_description": "photo 1: visible exterior stitching appears generally even, but the image does not permit detailed construction assessment"
    },
    "possible_model_reasoning": [
        "photo 1: the slouchy hobo silhouette and nylon body do not match a specific vintage Coach leather model; it is more consistent with a generic fashion hobo",
        "photo 1: no readable identifier supports dating beyond a broad modern (2000s+) non-Coach assessment",
        "Condition: not gradable from the single exterior lifestyle photo; bottom, interior, strap wear, and hardware condition are not shown"
    ],
    "confidence": 0.78,
    "recommended_max_bid": 5,
    "estimated_resale_low": 5,
    "estimated_resale_high": 25,
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 17013,
            "output_tokens": 602,
            "total_tokens": 17615,
            "estimated_cost_usd": 0.00825
        }
    ]
}