Vintage Coach Hunter

{
    "is_handbag_probability": 0.99,
    "coach_probability": 0.01,
    "vintage_probability": 0.01,
    "authenticity_confidence": 0.01,
    "image_quality_score": 0.86,
    "seller_misidentification_probability": 0.08,
    "estimated_era": "modern (2000s+), non-Coach",
    "possible_models": [],
    "positive_evidence": [],
    "negative_evidence": [
        "photo 4: sewn fabric label clearly reads \"Nanaciaojie\" and \"NICE TO MEET YOU,\" not COACH.",
        "photo 1: bag is made from plaid woven fabric with textile straps, unlike the leather construction typical of the vintage Coach candidates.",
        "photo 6: interior is fully lined with light synthetic-looking patterned fabric.",
        "photo 1: zip-top tote has no visible Coach wordmark, horse-and-carriage, creed, or leather hangtag.",
        "photo 2: seller packaging and unused presentation support a modern mass-market item rather than a vintage Coach bag."
    ],
    "missing_information": [
        "photo 1-3: bottom, side seams, zipper pull, and strap attachment details are not shown closely.",
        "photo 6: interior pockets and any additional sewn-in labels are not fully shown."
    ],
    "authenticity_concerns": [
        "photo 4: the visible non-Coach brand label is inconsistent with Coach manufacture.",
        "photo 6: synthetic patterned lining and textile construction are inconsistent with classic vintage glove-tanned Coach handbags."
    ],
    "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 metal hardware is clearly visible; zip closure is visible but the pull is not shown in sufficient detail.",
        "leather_description": "photo 1-5: plaid woven textile exterior; no leather is visible.",
        "lining_description": "photo 6: light-colored synthetic-looking patterned textile lining with zip-top construction.",
        "strap_construction": "photo 1-3: two matching burgundy textile shoulder straps, sewn to the bag.",
        "stitching_description": "photo 4 and 6: visible machine-sewn fabric label and textile seams; detailed stitching quality is partly obscured by plastic packaging."
    },
    "possible_model_reasoning": [
        "The silhouette is a generic fabric zip-top tote and does not closely match the listed vintage Coach leather models.",
        "photo 4: the Nanaciaojie label is legible, providing direct evidence for another brand.",
        "Condition: appears New or unused in plastic packaging, although interior defects and odor cannot be assessed from photos."
    ],
    "confidence": 0.95,
    "recommended_max_bid": 8,
    "estimated_resale_low": 5,
    "estimated_resale_high": 25,
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 22975,
            "output_tokens": 656,
            "total_tokens": 23631,
            "estimated_cost_usd": 0.010764
        }
    ]
}