Vintage Coach Hunter

{
    "is_handbag_probability": 0.98,
    "coach_probability": 0.02,
    "vintage_probability": 0.75,
    "authenticity_confidence": 0.02,
    "image_quality_score": 0.84,
    "seller_misidentification_probability": 0.08,
    "estimated_era": "modern (2000s+), non-Coach",
    "possible_models": [],
    "positive_evidence": [
        "photo 1: Clearly a small handbag with shoulder handles and a central closure.",
        "photo 2: Textured black cloth body and jeweled floral clasp are consistent with a vintage evening or occasion purse.",
        "photo 6: The reverse shows a fabric construction rather than a Coach glove-tanned leather bag."
    ],
    "negative_evidence": [
        "photo 1: The bag is made of black gathered\/pleated cloth, not the leather or signature canvas associated with Coach.",
        "photo 1: The ornate jeweled floral clasp is not a Coach turnlock and does not show a Coach wordmark or horse-and-carriage.",
        "photo 2: No Coach hangtag, creed patch, serial number, or recognizable Coach branding is visible.",
        "photo 3: The hardware appears decorative and bright-toned rather than the understated solid-brass hardware typical of vintage Coach classics.",
        "photo 6: The silhouette and textile construction resemble a vintage evening purse, not a cataloged Coach handbag model."
    ],
    "missing_information": [
        "photo 5: Interior, lining, labels, and any maker's mark are not shown.",
        "photo 6: No close-up of the clasp reverse or closure mechanism is provided.",
        "Seller-stated dimensions, materials, and provenance are not provided."
    ],
    "authenticity_concerns": [
        "photo 1: The cloth construction and ornate jeweled clasp are inconsistent with the vintage Coach handbag construction described in the reference guide.",
        "photo 2: No brand identifier is visible, so Coach manufacture cannot be supported."
    ],
    "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-toned ornate floral jeweled clasp with a blue center stone; small metal handle rings and a rectangular top fitting are visible. No Coach engraving is visible.",
        "leather_description": "photo 1: No leather is visible; the body and handles appear to be black textile or corded fabric.",
        "lining_description": "not_visible",
        "strap_construction": "photo 1: Two short looped textile handles attached through small metal rings; no adjustable leather strap is visible.",
        "stitching_description": "photo 2: Fabric seams and gathered textile construction are visible, but stitching is not detailed enough for a close assessment."
    },
    "possible_model_reasoning": [
        "photo 1: No Coach model is a plausible match; the jeweled clasp and textile evening-bag silhouette do not correspond to the listed Coach catalog styles.",
        "photo 2: The seller's 1930\u20131960 date is unverified from the photographs; the purse may be vintage, but no period label or construction detail establishes a precise era.",
        "photo 1: Condition appears approximately Very Good from the visible exterior, with intact fabric and clasp; interior condition and odor are unknown."
    ],
    "confidence": 0.86,
    "recommended_max_bid": 10,
    "estimated_resale_low": 5,
    "estimated_resale_high": 35,
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 33104,
            "output_tokens": 776,
            "total_tokens": 33880,
            "estimated_cost_usd": 0.015104
        }
    ]
}