Vintage Coach Hunter

{
    "is_handbag_probability": 0.96,
    "coach_probability": 0.04,
    "vintage_probability": 0.18,
    "authenticity_confidence": 0.03,
    "image_quality_score": 0.82,
    "seller_misidentification_probability": 0.08,
    "estimated_era": "modern (2000s+), non-Coach",
    "possible_models": [],
    "positive_evidence": [
        "photo 2: genuine-looking leather body and visible stitching are compatible with a leather bag, but are not Coach-specific",
        "photo 1: adjustable leather strap and gold-tone buckle are visible"
    ],
    "negative_evidence": [
        "photo 1: decorative pierced\/laced strap construction is not a recognizable classic Coach construction cue",
        "photo 2: exposed zipper and zipper pull show no legible Coach marking",
        "photos 1-5: no Coach wordmark, carriage, hangtag, creed patch, or style number is visible",
        "photo 2: hardware appears gold-tone\/plated rather than the substantial, understated brass hardware commonly seen on classic Coach bags",
        "photos 2 and 5: zipper and construction look like a generic contemporary waist bag rather than a catalogued vintage Coach silhouette"
    ],
    "missing_information": [
        "photo request: interior emptied, including all pockets and seams, to check for a creed patch or fabric label",
        "photo request: close-up of every zipper pull, buckle, and hardware stamp",
        "photo request: full front, back, bottom, and strap-end views",
        "seller-stated material details and approximate dimensions"
    ],
    "authenticity_concerns": [
        "The bag lacks any visible Coach identifier and has generic decorative construction; it is more consistent with an unbranded leather waist bag than a Coach product.",
        "The seller's 'vintage' description is not independently supported by a visible creed, date code, period label, or clearly vintage hardware."
    ],
    "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: gold-tone buckle and small ring hardware; no Coach engraving is visible",
        "leather_description": "photos 1-5: brown, pebbled-looking leather with some soft creasing; exact leather type is not determinable",
        "lining_description": "not_visible",
        "strap_construction": "photos 1, 3, and 4: adjustable leather waist strap with buckle, punched holes, and decorative slots\/lacing along the bag edges",
        "stitching_description": "photos 2 and 5: visible light-colored double-row stitching around zipper panels; generally even in the photographed areas"
    },
    "possible_model_reasoning": [
        "No Coach model is proposed because the visible waist-bag silhouette, decorative lacing, and zippered construction do not match a clearly identifiable Coach catalog model.",
        "Condition: approximately Very Good based on intact visible leather and stitching with light creasing; interior, odor, lining, and underside condition are unknown."
    ],
    "confidence": 0.78,
    "recommended_max_bid": 8,
    "estimated_resale_low": 10,
    "estimated_resale_high": 35,
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 17284,
            "output_tokens": 737,
            "total_tokens": 18021,
            "estimated_cost_usd": 0.008682
        }
    ]
}