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": 0.03,
    "estimated_era": "modern (2000s+), non-Coach",
    "possible_models": [],
    "positive_evidence": [],
    "negative_evidence": [
        "photo 1: Novelty banana-shaped silhouette is not a recognizable vintage Coach model.",
        "photo 1: Bright yellow and black synthetic-looking construction with contrasting black edging is inconsistent with vintage Coach glove-tanned leather classics.",
        "photo 1: Thin chain strap and small plated-looking connectors are unlike the substantial leather straps and solid brass hardware typical of vintage Coach.",
        "photo 2: Listing image shows a mass-market novelty design with promotional dimensions, not Coach branding or construction evidence."
    ],
    "missing_information": [
        "photo 1-2: Interior, lining, zipper, and any sewn-in brand or care label are not shown.",
        "photo 1-2: No close-up of the strap attachments or hardware is provided."
    ],
    "authenticity_concerns": [
        "photo 1: The bag appears to be an unbranded novelty fashion purse rather than a Coach product; no Coach identifier is visible.",
        "photo 1: Synthetic or coated material and decorative chain construction would be inconsistent with the vintage Coach styles being considered."
    ],
    "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: Thin chain strap with small light-metal connectors; no turnlock or Coach-marked hardware visible.",
        "leather_description": "photo 1: Smooth, uniform bright yellow material with black contrasting trim; appears synthetic or coated, though material cannot be confirmed from the photos.",
        "lining_description": "not_visible",
        "strap_construction": "photo 1: Detachable-looking thin chain strap attached at both sides; no leather shoulder strap visible.",
        "stitching_description": "photo 1: Narrow, fairly even stitching is visible around the yellow panels and black trim; construction appears mass-produced."
    },
    "possible_model_reasoning": [
        "photo 1: Banana novelty silhouette does not match the listed Coach catalog models.",
        "photo 2: Seller-stated dimensions are approximately 9.44 \u00d7 7.08 \u00d7 2.75 inches, consistent with a small novelty crossbody but not evidence of Coach manufacture.",
        "Condition: Not gradable beyond the exterior promotional photos; interior and functional details are unknown."
    ],
    "confidence": 0.94,
    "recommended_max_bid": 5,
    "estimated_resale_low": 5,
    "estimated_resale_high": 20,
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 17667,
            "output_tokens": 570,
            "total_tokens": 18237,
            "estimated_cost_usd": 0.008435
        }
    ]
}