Vintage Coach Hunter

{
    "is_handbag_probability": 0.99,
    "coach_probability": 0.04,
    "vintage_probability": 0.08,
    "authenticity_confidence": 0.03,
    "image_quality_score": 0.82,
    "seller_misidentification_probability": 0.35,
    "estimated_era": "modern (2000s+), non-Coach",
    "possible_models": [],
    "positive_evidence": [
        "photo 1: clearly a shoulder handbag with a long single strap and metal side attachments.",
        "photo 2: seller provides approximate dimensions of about 19 inches high and 14 inches wide.",
        "photo 1: smooth white exterior and gold-tone accents are at least compatible with a general leather handbag, but not specifically Coach."
    ],
    "negative_evidence": [
        "photo 1: no legible COACH wordmark, horse-and-carriage, hangtag, or creed is visible on the exterior.",
        "photos 3-6: the central oval is a plain stitched decorative patch, not a visible Coach cartouche or wordmark.",
        "photos 1 and 3-6: silhouette and construction appear like a generic late-1990s\/2000s hobo rather than a recognizable classic Coach model.",
        "photos 1-6: the extremely smooth, uniform white surface and narrow finished edges do not visibly establish vintage glove-tanned cowhide; synthetic or coated material remains possible.",
        "photos 1 and 4-6: exposed side hardware appears silver-tone or mixed with gold-tone zipper details, which is not supportive of a consistent vintage Coach hardware set.",
        "photo 1: seller labels the item Unbranded; this is weak context only and does not provide Coach evidence."
    ],
    "missing_information": [
        "photo 1-6: no interior view, so lining, interior label, creed patch, and any serial\/style tag cannot be assessed.",
        "photo 1-6: no close-up of the zipper pulls, side hardware, or any stamps.",
        "photo 1-6: no bottom, corners, or strap-fold close-ups.",
        "photo 1-6: material composition is not verifiable from the photos; ask whether it is genuine leather, PU, or synthetic."
    ],
    "authenticity_concerns": [
        "photos 1-6: no Coach identifier is visible, so this currently reads as an unbranded lookalike or generic handbag rather than an identifiable Coach product.",
        "photos 1-6: the plain oval applique should not be treated as a Coach logo; it lacks a visible wordmark or carriage."
    ],
    "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 gold-tone zipper-end details and side attachments are visible; photos 3-6: additional side hardware appears silver-tone or dark in the lighting. No Coach engraving is legible.",
        "leather_description": "photos 1-6: smooth, highly uniform white material with a soft hobo drape; genuine leather is not established and synthetic or coated material is possible.",
        "lining_description": "not_visible",
        "strap_construction": "photos 1-6: long, narrow single shoulder strap attached at both upper sides; strap appears fixed or non-adjustable in the shown views.",
        "stitching_description": "photos 1-6: visible perimeter and oval-applique stitching appears generally even; close stress-point inspection is unavailable."
    },
    "possible_model_reasoning": [
        "photos 1-6: no Coach model is a reasonable match from the visible evidence; the shape is a generic soft hobo with a decorative oval applique.",
        "photo 2: seller-measured dimensions support a large shoulder bag but do not identify a Coach style.",
        "photos 1-6: condition appears Good to Very Good cosmetically, with visible creasing\/handling marks and possible gray discoloration on the white front; interior and bottom condition are unknown."
    ],
    "confidence": 0.78,
    "recommended_max_bid": 12,
    "estimated_resale_low": 10,
    "estimated_resale_high": 35,
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 29200,
            "output_tokens": 892,
            "total_tokens": 30092,
            "estimated_cost_usd": 0.013821
        }
    ]
}