Vintage Coach Hunter

{
    "is_handbag_probability": 0.98,
    "coach_probability": 0.02,
    "vintage_probability": 0.35,
    "authenticity_confidence": 0.02,
    "image_quality_score": 0.72,
    "seller_misidentification_probability": 0.06,
    "estimated_era": "modern (2000s+), non-Coach",
    "possible_models": [],
    "positive_evidence": [
        "photo 1: clearly a shoulder bag with a body, flap closure, and attached strap"
    ],
    "negative_evidence": [
        "photo 1: bag is constructed from cream crochet rather than Coach's typical leather, suede, or signature coated canvas",
        "photo 1: decorative bead closure and diamond\/textured crochet motif are not recognizable Coach identifiers",
        "photo 2: visible fabric lining and crochet strap are inconsistent with classic unlined glove-tanned Coach construction",
        "photos 1-2: no visible Coach wordmark, horse-and-carriage, creed patch, serial\/style number, or Coach hangtag"
    ],
    "missing_information": [
        "photo 2: interior is only partially shown; a complete interior view and any labels or sewn-in tags would be useful",
        "photo 1: bottom, side seams, and closure detail are not fully shown",
        "photo 1: seller-stated vintage date is unverified"
    ],
    "authenticity_concerns": [
        "photos 1-2: no Coach identifiers are visible and the crochet construction is outside the normal vintage Coach handbag materials",
        "photo 1: the bead-and-crochet closure appears decorative rather than a Coach turnlock or other recognizable Coach closure"
    ],
    "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: small bead closure with textile loop; no metal Coach-style hardware visible",
        "leather_description": "photo 1: cream crocheted textile; no leather body or trim visible",
        "lining_description": "photo 2: light-colored fabric lining is visible, with seams and loose threads",
        "strap_construction": "photo 1: wide crocheted shoulder strap integrated into or attached to the bag body",
        "stitching_description": "photos 1-2: crochet and textile seams are visible; some loose threads\/fraying appear near the closure and interior"
    },
    "possible_model_reasoning": [
        "No Coach model is a plausible match because the bag is crocheted and lacks Coach identifiers.",
        "Condition: Good; visible loose threads and fraying around the closure\/interior (photo 2), while the overall body appears intact (photo 1)."
    ],
    "confidence": 0.89,
    "recommended_max_bid": 8,
    "estimated_resale_low": 5,
    "estimated_resale_high": 30,
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 16113,
            "output_tokens": 669,
            "total_tokens": 16782,
            "estimated_cost_usd": 0.008051
        }
    ]
}