Vintage Coach Hunter

{
    "is_handbag_probability": 0.98,
    "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: Novelty skeleton graphic and backpack-like rounded silhouette do not correspond to the documented vintage Coach catalog.",
        "photo 1: Bright silver-tone clip hardware and narrow synthetic-looking strap are inconsistent with most vintage Coach classic construction.",
        "photo 1: No Coach wordmark, horse-and-carriage, creed patch, serial\/style number, or hangtag is visible.",
        "photo 2: Lifestyle image presents the item as a small modern novelty accessory rather than a vintage leather handbag."
    ],
    "missing_information": [
        "photo 1: Interior, lining, back, bottom, zipper pulls, and any labels are not shown.",
        "photo 1: Material cannot be confirmed from the exterior image; request a close-up of the surface and edge construction if material quality matters."
    ],
    "authenticity_concerns": [
        "photo 1: Unbranded novelty design with no visible Coach identifiers; likely a generic modern accessory rather than Coach.",
        "photo 1: Exterior appears synthetic or coated rather than vintage glove-tanned cowhide.",
        "photo 1: Silver-tone plated-looking hardware and decorative skeleton applique are inconsistent with the expected construction of a vintage Coach classic."
    ],
    "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: Silver-tone strap clips and rings are visible; no turnlock or branded hardware is visible.",
        "leather_description": "photo 1: Black smooth-looking material with a printed or appliqued white skeleton design; leather is not established and the appearance is synthetic\/coated.",
        "lining_description": "not_visible",
        "strap_construction": "photos 1-2: Narrow adjustable crossbody strap attached with silver-tone clips; strap appears synthetic or coated.",
        "stitching_description": "photo 1: Visible perimeter stitching appears regular around the novelty front panel; interior and stress-point stitching are not shown."
    },
    "possible_model_reasoning": [
        "No Coach model is a reasonable match: the skeleton novelty front, small modern crossbody format, and lack of identifiers point to a generic accessory.",
        "Condition cannot be fully graded because the interior, bottom, and back are not shown; the product photos show no obvious exterior damage."
    ],
    "confidence": 0.91,
    "recommended_max_bid": 5,
    "estimated_resale_low": 5,
    "estimated_resale_high": 25,
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 18741,
            "output_tokens": 704,
            "total_tokens": 19445,
            "estimated_cost_usd": 0.009186
        }
    ]
}