Vintage Coach Hunter

{
    "is_handbag_probability": 0.99,
    "coach_probability": 0.02,
    "vintage_probability": 0.01,
    "authenticity_confidence": 0.02,
    "image_quality_score": 0.88,
    "seller_misidentification_probability": 0.08,
    "estimated_era": "modern (2000s+), non-Coach",
    "possible_models": [],
    "positive_evidence": [],
    "negative_evidence": [
        "photo 1: all-over circular monogram pattern is not recognizable as Coach Signature C alignment and no Coach wordmark is visible.",
        "photo 3: product appears to be a modern synthetic\/coated-material crossbody set rather than a vintage glove-tanned leather handbag.",
        "photo 4: listing title explicitly describes the material as PU leather.",
        "photo 5: multiple identical bags shown in different colors and product-style photography indicate current mass-produced merchandise, not a vintage Coach item.",
        "photos 1-6: no Coach creed, serial\/style number, horse-and-carriage mark, or branded hangtag is visible."
    ],
    "missing_information": [
        "photo 1-6: no close-up of any interior brand label or sewn-in fabric tag.",
        "photo 1-6: no close-up of zipper pulls or hardware markings.",
        "photo 1-6: seller should provide an emptied interior and all labels if a brand attribution is being claimed."
    ],
    "authenticity_concerns": [
        "photo 1: generic circular monogram is a Coach-evoking motif but does not match the documented Coach Signature C pattern.",
        "photo 3: PU\/synthetic construction is inconsistent with the glove-tanned leather construction of classic vintage Coach bags.",
        "photo 1-6: absence of any Coach identifier makes this appear to be an unbranded lookalike rather than a Coach product."
    ],
    "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": "photos 1-6: small gold-tone zipper hardware, clasps, and strap adjusters are visible; no Coach engraving is legible.",
        "leather_description": "photos 1-6: synthetic\/coated textile or PU-like material with printed monogram; genuine leather is not visibly established.",
        "lining_description": "photo 5: light-colored fabric-like interior is visible; no brand label is shown.",
        "strap_construction": "photos 1-6: adjustable flat synthetic strap with metal clips and strap adjusters; a small matching round accessory pouch is attached.",
        "stitching_description": "photos 1-6: perimeter stitching and brown binding appear generally even; construction is modern mass-market in appearance."
    },
    "possible_model_reasoning": [
        "photo 1: rectangular zip-top crossbody with matching round pouch does not closely match a documented vintage Coach model and has no Coach identifiers.",
        "photo 4: seller-stated dimensions of approximately 19.5 \u00d7 15.5 \u00d7 7.5 cm and the coordinated accessory set support a contemporary small crossbody, not a vintage Coach catalog style.",
        "photos 1-6: condition appears New or Like New in promotional photos, but actual condition cannot be fully verified; no visible wear is apparent."
    ],
    "confidence": 0.91,
    "recommended_max_bid": 8,
    "estimated_resale_low": 5,
    "estimated_resale_high": 25,
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 18710,
            "output_tokens": 827,
            "total_tokens": 19537,
            "estimated_cost_usd": 0.009469
        }
    ]
}