Vintage Coach Hunter

{
    "is_handbag_probability": 0.98,
    "coach_probability": 0.02,
    "vintage_probability": 0.35,
    "authenticity_confidence": 0.02,
    "image_quality_score": 0.78,
    "seller_misidentification_probability": 0.04,
    "estimated_era": "unknown",
    "possible_models": [],
    "positive_evidence": [],
    "negative_evidence": [
        "photo 1: The bag is a beaded evening purse with a metal frame and chain handle, not a leather Coach handbag.",
        "photo 1: No Coach wordmark, horse-and-carriage emblem, leather hangtag, or recognizable Coach construction is visible.",
        "photo 2: The exterior is covered in metallic beadwork and does not show the glove-tanned leather or coated canvas associated with Coach bags.",
        "photo 1: The decorative rhinestone floral clasp and short chain handle are inconsistent with typical vintage Coach hardware."
    ],
    "missing_information": [
        "photo 2: Interior, lining, and any maker label are not shown.",
        "photo 2: No close-up of the clasp, frame, bead attachment, or chain hardware is provided.",
        "photo 2: Bottom, side seams, and interior condition are not documented.",
        "A close-up of any interior label or stamped maker mark would help identify the actual maker and date."
    ],
    "authenticity_concerns": [
        "photo 1: The bag appears to be a non-Coach beaded evening bag rather than a Coach item; no Coach identifiers are visible.",
        "photo 2: The unusual beaded construction and ornate rhinestone clasp do not correspond to the listed vintage Coach model catalog."
    ],
    "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: Gold-tone metal frame, floral\/rhinestone-style clasp, and chain handle are visible; no Coach engraving is legible.",
        "leather_description": "photo 1: No leather exterior is visible; the body appears to be densely beaded or metallic mesh.",
        "lining_description": "not_visible",
        "strap_construction": "photo 1: Short metal chain handle attached at two upper side points.",
        "stitching_description": "photo 2: Bead rows and edge construction are visible, but stitching and interior assembly cannot be assessed."
    },
    "possible_model_reasoning": [
        "The rounded fan-shaped silhouette, dense radiating beadwork, frame closure, and ornate clasp fit a generic vintage beaded evening bag, not a documented Coach style.",
        "The photos provide no creed, serial number, Coach logo, or other identifier from which to date or identify a Coach model.",
        "Condition appears approximately Good to Very Good from the exterior: the beadwork remains largely intact, but photos 2 and 3 show uneven coloration and possible age-related wear; interior condition is unknown."
    ],
    "confidence": 0.86,
    "recommended_max_bid": 15,
    "estimated_resale_low": 10,
    "estimated_resale_high": 50,
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 16753,
            "output_tokens": 768,
            "total_tokens": 17521,
            "estimated_cost_usd": 0.008544
        }
    ]
}