Vintage Coach Hunter

{
    "is_handbag_probability": 0.97,
    "coach_probability": 0.01,
    "vintage_probability": 0.01,
    "authenticity_confidence": 0.01,
    "image_quality_score": 0.85,
    "seller_misidentification_probability": 0.05,
    "estimated_era": "modern (2000s+), non-Coach",
    "possible_models": [],
    "positive_evidence": [],
    "negative_evidence": [
        "photo 1: Bag is visibly constructed from crinkled nylon or synthetic fabric, not Coach's typical vintage glove-tanned leather.",
        "photo 1: The visible black fabric label reads SHILAIEN, providing evidence for another brand rather than Coach.",
        "photo 1: Drawstring closure, mesh side pocket, white cord, plastic cord hardware, and lightweight webbing are inconsistent with classic vintage Coach handbag construction.",
        "photo 1: Listing title describes the item as waterproof nylon and unbranded; this is weak seller evidence but consistent with the visible synthetic utility-bag design."
    ],
    "missing_information": [
        "photo 1 shows only one exterior view; interior, bottom, strap attachments, and any additional labels are not shown."
    ],
    "authenticity_concerns": [
        "photo 1: No Coach wordmark, creed, serial\/style number, or Coach-specific hardware is visible; the SHILAIEN label and nylon construction identify a non-Coach lookalike or unrelated bag."
    ],
    "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: Black plastic cord locks and attachment hardware, plus light-colored webbing strap; no Coach hardware visible.",
        "leather_description": "photo 1: Crinkled lavender nylon or synthetic textile exterior; no leather visible.",
        "lining_description": "not_visible",
        "strap_construction": "photo 1: Adjustable light-colored webbing shoulder strap attached at the sides.",
        "stitching_description": "photo 1: Visible machine stitching around the gathered opening and mesh pocket; close-up stitch quality is not available."
    },
    "possible_model_reasoning": [
        "photo 1: The bucket-shaped drawstring messenger design, nylon body, mesh pocket, and SHILAIEN label do not match a Coach catalog model.",
        "photo 1: Era is modern based on synthetic outdoor\/utility construction and plastic hardware. Condition appears approximately Very Good from the single exterior photo, but interior and bottom condition are unverified."
    ],
    "confidence": 0.93,
    "recommended_max_bid": 5,
    "estimated_resale_low": 5,
    "estimated_resale_high": 20,
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 16320,
            "output_tokens": 547,
            "total_tokens": 16867,
            "estimated_cost_usd": 0.007841
        }
    ]
}