Vintage Coach Hunter

{
    "is_handbag_probability": 0.98,
    "coach_probability": 0.02,
    "vintage_probability": 0.18,
    "authenticity_confidence": 0.03,
    "image_quality_score": 0.78,
    "seller_misidentification_probability": 0.08,
    "estimated_era": "modern (2000s+), non-Coach",
    "possible_models": [],
    "positive_evidence": [
        "photo 1: Clearly a small handbag\/clutch with a metal frame, kisslock closure, and chain shoulder strap."
    ],
    "negative_evidence": [
        "photo 1: Beaded textile construction is not characteristic of the vintage leather Coach population.",
        "photo 1: No visible Coach wordmark, creed patch, serial\/style number, horse-and-carriage mark, or Coach hangtag.",
        "photo 1: The pearl-and-seed-bead exterior and ornate frame provide no specific Coach identifier."
    ],
    "missing_information": [
        "Photo of the interior, including any brand label or creed patch.",
        "Close-up photos of both sides of the clasp, chain attachments, and interior construction.",
        "Back, bottom, and side views to assess overall condition and construction.",
        "Seller-stated dimensions, approximate age, and any provenance."
    ],
    "authenticity_concerns": [
        "photo 1: The visible beaded\/fabric construction is inconsistent with a typical vintage Coach leather handbag; it appears to be an unbranded evening bag or another maker's beaded purse."
    ],
    "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: Ornate metal rectangular frame with a central kisslock closure and a thin chain strap; no Coach engraving is visible.",
        "leather_description": "photo 1: No leather body is visible; exterior appears to be fabric densely decorated with pearl-like beads and seed beads.",
        "lining_description": "not_visible",
        "strap_construction": "photo 1: Thin metal chain attached at both upper sides of the framed bag.",
        "stitching_description": "photo 1: Beaded border and textile surface are visible, but stitching and attachment details are not sufficiently clear."
    },
    "possible_model_reasoning": [
        "photo 1: The rectangular framed silhouette, kisslock, beadwork, and chain are consistent with a generic or vintage-style evening bag, not a recognizable Coach model.",
        "photo 1: Era cannot be established reliably from the single exterior photo; the materials and styling suggest modern (2000s+) non-Coach, though an older beaded purse is possible.",
        "Condition: approximately Good; the exterior is visible but the interior, frame function, bead loss, lining, and chain condition cannot be assessed."
    ],
    "confidence": 0.76,
    "recommended_max_bid": 8,
    "estimated_resale_low": 5,
    "estimated_resale_high": 30,
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 17367,
            "output_tokens": 725,
            "total_tokens": 18092,
            "estimated_cost_usd": 0.008687
        }
    ]
}