Vintage Coach Hunter

{
    "is_handbag_probability": 0.98,
    "coach_probability": 0.02,
    "vintage_probability": 0.02,
    "authenticity_confidence": 0.02,
    "image_quality_score": 0.9,
    "seller_misidentification_probability": 0.04,
    "estimated_era": "modern (2000s+), non-Coach",
    "possible_models": [],
    "positive_evidence": [],
    "negative_evidence": [
        "photo 1: both items are quilted nylon sling bags with wide woven straps and multiple zippered compartments, unlike vintage Coach leather construction",
        "photo 1: visible small metal plaques do not legibly show COACH, a horse-and-carriage, or a Coach creed",
        "photo 2: construction uses synthetic textile, padded quilting, and lightweight-looking plated hardware rather than glove-tanned leather and solid vintage brass hardware",
        "photo 3: back panels and strap are nylon\/textile, not leather",
        "photo 4: the front design is a modern utility sling silhouette with prominent zipper compartments, not a recognizable vintage Coach model"
    ],
    "missing_information": [
        "photo 1-4: interior lining, fabric labels, and country-of-manufacture tags are not shown",
        "photo 1-4: close-up of the metal plaques is needed to identify the actual brand, though neither appears to read COACH",
        "seller-stated dimensions and material composition are not provided"
    ],
    "authenticity_concerns": [
        "photo 1-4: synthetic quilted construction and generic modern hardware are inconsistent with the vintage Coach leather handbag population",
        "photo 1-4: no Coach identifier is visible; the small plaques appear to be generic or another brand's branding"
    ],
    "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: gold-tone and silver-tone zipper hardware, metal grommets, and small rectangular plaques; no visible Coach engraving",
        "leather_description": "photo 1-4: quilted navy synthetic textile or nylon; no leather visible",
        "lining_description": "not_visible",
        "strap_construction": "photo 1-3: wide adjustable woven textile crossbody straps with metal attachment hardware",
        "stitching_description": "photo 1-4: visible machine stitching around quilted panels and textile trim; generally even but clearly mass-produced"
    },
    "possible_model_reasoning": [
        "photo 1-4: silhouette is a modern nylon sling\/crossbody utility bag, with no reasonable match to a Coach catalog model",
        "photo 1-4: the material, quilting, zipper-heavy construction, and absence of a creed point to a contemporary non-Coach item",
        "Condition: Like New\/NWT as represented by the listing and photos; no obvious wear is visible, although the NWT claim is seller-stated and interior condition is not shown"
    ],
    "confidence": 0.93,
    "recommended_max_bid": 5,
    "estimated_resale_low": 5,
    "estimated_resale_high": 25,
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 19314,
            "output_tokens": 747,
            "total_tokens": 20061,
            "estimated_cost_usd": 0.009518
        }
    ]
}