Vintage Coach Hunter

{
    "is_handbag_probability": 0.98,
    "coach_probability": 0.03,
    "vintage_probability": 0.04,
    "authenticity_confidence": 0.03,
    "image_quality_score": 0.86,
    "seller_misidentification_probability": 0.08,
    "estimated_era": "modern (2000s+), non-Coach",
    "possible_models": [],
    "positive_evidence": [
        "photo 1: clearly a handbag with a shoulder strap and exterior zip pocket.",
        "photo 3: seller-provided dimensions show an approximately 11-inch wide, 9.8-inch high bag."
    ],
    "negative_evidence": [
        "photo 1: glossy, thin-looking dark material and bright silver-tone hardware do not resemble vintage Coach glove-tanned leather and solid brass construction.",
        "photo 1: no visible Coach wordmark, horse-and-carriage, creed patch, or recognizable Coach hangtag.",
        "photo 2: generic soft hobo silhouette with decorative zipper pulls and plush charm; no distinctive Coach construction features are visible.",
        "photo 1: small exterior branding appears to be non-Coach text, but it is too small to read reliably.",
        "photo 3: clean product-style image and modern dimensions support a contemporary generic bag rather than a vintage Coach model."
    ],
    "missing_information": [
        "photo 1-2: interior view, including any sewn-in brand label or creed patch.",
        "photo 1-2: close-up of the small exterior branding for exact transcription.",
        "photo 1-2: bottom, corners, strap attachments, and zipper hardware close-ups.",
        "seller-stated material and brand information are absent."
    ],
    "authenticity_concerns": [
        "The glossy synthetic-looking finish, silver-tone hardware, and generic hobo design are inconsistent with the classic vintage Coach population.",
        "No Coach identifier is visible in the provided photos; this appears to be a generic modern bag rather than a Coach lookalike with a concealed vintage creed."
    ],
    "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": "Bright silver-tone rings, clips, zipper pulls, and buckles are visible; no turnlock or Coach engraving is visible. A plush decorative charm is attached.",
        "leather_description": "Dark brown glossy material with a smooth, reflective surface; it appears synthetic or heavily coated rather than vintage glove-tanned leather.",
        "lining_description": "not_visible",
        "strap_construction": "Long narrow adjustable-looking shoulder strap attached with silver-tone clips\/rings; a second strap or strap section is shown in photo 2.",
        "stitching_description": "Visible perimeter stitching appears generally even, but the photos do not provide enough detail for a construction assessment."
    },
    "possible_model_reasoning": [
        "The silhouette is a generic modern hobo\/shoulder bag and does not closely match the listed classic Coach models.",
        "No creed, style number, Coach wordmark, or horse-and-carriage identifier is visible to support a Coach attribution.",
        "Condition: appears Very Good based on the clean exterior presentation, though interior condition, odor, and hidden wear are unknown."
    ],
    "confidence": 0.88,
    "recommended_max_bid": 8,
    "estimated_resale_low": 5,
    "estimated_resale_high": 30,
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 17339,
            "output_tokens": 768,
            "total_tokens": 18107,
            "estimated_cost_usd": 0.008779
        }
    ]
}