Vintage Coach Hunter

{
    "is_handbag_probability": 0.99,
    "coach_probability": 0.03,
    "vintage_probability": 0.65,
    "authenticity_confidence": 0.02,
    "image_quality_score": 0.83,
    "seller_misidentification_probability": 0.08,
    "estimated_era": "modern (2000s+), non-Coach",
    "possible_models": [],
    "positive_evidence": [
        "photo 1: substantial brown leather handbag with multiple compartments and shoulder handles is clearly a handbag.",
        "photo 6: four bottom feet and structured construction are visible."
    ],
    "negative_evidence": [
        "photo 1: extensive floral tooling and geometric basket-weave tooling are not characteristic of the classic Coach glove-tanned handbag styles shown in the reference catalog.",
        "photo 1: no visible Coach wordmark, horse-and-carriage mark, or creed patch.",
        "photo 2: the exterior design is an ornate tooled-leather artisan\/Western style rather than a recognizable Coach silhouette.",
        "photo 3: visible zipper and hardware do not provide a Coach identifier.",
        "photo 4: side gusset and tassel details are visible, but no Coach branding is present.",
        "photo 6: bottom construction shows generic metal feet without a visible Coach stamp."
    ],
    "missing_information": [
        "photo 3-4: the interior is only partially visible; request a fully emptied interior view.",
        "request close-up photos of every interior wall, pocket, zipper pull, and any sewn-in labels or stamps.",
        "request close-ups of the handles, edge finishing, hardware, and any maker mark.",
        "seller's claimed 1950s date is not independently supported by the photos."
    ],
    "authenticity_concerns": [
        "The bag lacks any visible Coach identifier and its ornate tooling is inconsistent with the documented classic Coach construction and model catalog.",
        "The listing's claimed 1950s date cannot be confirmed; the visible zip-top, compartmentalized construction, metal feet, and tooling may reflect a later artisan-made bag."
    ],
    "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": true,
        "hardware_description": "photo 3: a leather tassel-like accessory and zipper hardware are visible; photo 6 shows four round metal feet. No Coach engraving is visible.",
        "leather_description": "photo 1: brown leather with prominent floral, medallion, diamond, and basket-weave tooling; surface shows uneven darkening and wear.",
        "lining_description": "not_visible",
        "strap_construction": "photos 1-5: two pairs of stitched leather top handles with approximately the seller-stated short handle drop; handle attachments are secured with leather tabs.",
        "stitching_description": "photos 1-6: visible double-row or parallel stitching is generally even, with noticeable wear and darkening around the leather edges."
    },
    "possible_model_reasoning": [
        "The structured zip-top handbag with multiple compartments does not closely match a listed Coach classic model; no Coach style number or identifier is visible.",
        "Condition: Good; visible scuffing, darkening, edge wear, and general wear are present in photos 1-6, while the full interior and strap attachment areas are not shown."
    ],
    "confidence": 0.87,
    "recommended_max_bid": 15,
    "estimated_resale_low": 10,
    "estimated_resale_high": 40,
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 17747,
            "output_tokens": 767,
            "total_tokens": 18514,
            "estimated_cost_usd": 0.00894
        }
    ]
}