Vintage Coach Hunter

{
    "is_handbag_probability": 0.99,
    "coach_probability": 0.02,
    "vintage_probability": 0.01,
    "authenticity_confidence": 0.02,
    "image_quality_score": 0.86,
    "seller_misidentification_probability": 0.08,
    "estimated_era": "modern (2000s+), non-Coach",
    "possible_models": [],
    "positive_evidence": [],
    "negative_evidence": [
        "photo 1: The bag has a large rhinestone skull-and-crossbones centerpiece, ornate novelty decoration, and a purple textile\/synthetic-looking body, none of which are characteristic of vintage Coach classics.",
        "photo 1: Hardware is bright silver-tone with multiple large rings and chain links, rather than the solid brass hardware typical of many vintage Coach styles.",
        "photo 1: No Coach wordmark, horse-and-carriage emblem, creed patch, serial\/style number, or recognizable Coach hangtag is visible.",
        "photo 1: The listing title identifies it as a Halloween skull purse and the seller labels it unbranded."
    ],
    "missing_information": [
        "photo 1 is only an exterior front view; request interior, lining, bottom, side, back, zipper, and any sewn-in brand or care labels.",
        "Request close-ups of any interior label, pocket, zipper pull, and hardware markings."
    ],
    "authenticity_concerns": [
        "photo 1: Novelty skull styling, extensive rhinestone decoration, and silver-tone chain hardware are inconsistent with the vintage Coach models relevant to this search.",
        "photo 1: The visible construction provides no Coach identifier and is more consistent with a generic novelty or alternative-brand handbag."
    ],
    "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: Bright silver-tone rings, chain links, rivets, studs, and rhinestone embellishments are visible; no Coach engraving is legible.",
        "leather_description": "photo 1: Exterior appears to be purple textile or synthetic material with black patterned trim; leather is not established.",
        "lining_description": "not_visible",
        "strap_construction": "photo 1: Short top shoulder strap with black patterned covering, studded end tabs, multiple circular rings, and chain-link attachments.",
        "stitching_description": "photo 1: Visible perimeter and decorative stitching appears generally even, but construction details are limited to the single front product photo."
    },
    "possible_model_reasoning": [
        "photo 1: This is a novelty shoulder handbag rather than a recognizable Coach silhouette; no Coach model candidate fits the skull, rhinestone, and heavily decorated construction.",
        "Condition cannot be reliably graded from the single product-style front photo; interior, bottom, corners, and strap wear are not shown."
    ],
    "confidence": 0.91,
    "recommended_max_bid": 8,
    "estimated_resale_low": 10,
    "estimated_resale_high": 30,
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 16920,
            "output_tokens": 697,
            "total_tokens": 17617,
            "estimated_cost_usd": 0.008441
        }
    ]
}