Vintage Coach Hunter

{
    "is_handbag_probability": 0.98,
    "coach_probability": 0.07,
    "vintage_probability": 0.08,
    "authenticity_confidence": 0.06,
    "image_quality_score": 0.72,
    "seller_misidentification_probability": 0.07,
    "estimated_era": "modern (2000s+), non-Coach",
    "possible_models": [],
    "positive_evidence": [
        "photo 1: clearly a leather shoulder\/hobo-style handbag with substantial stitched construction.",
        "photo 2: adjustable strap and metal buckle hardware are visible.",
        "listing text: seller describes the material as leather and notes that it resembles Coach, but this is weak, unverified evidence."
    ],
    "negative_evidence": [
        "photo 1: no visible Coach wordmark, horse-and-carriage, hangtag, or creed patch.",
        "photo 2: hardware appears silver or gunmetal rather than the solid brass commonly associated with classic vintage Coach styles.",
        "photo 3: the bag is fabric-lined and has a modern-looking zipper and strap construction, which do not strongly match classic unlined glove-tanned Coach silhouettes.",
        "photo 3: no readable brand label or serial\/style number is visible."
    ],
    "missing_information": [
        "photo 4: full front and back views are needed to assess the complete silhouette and any exterior branding.",
        "photo 5: straight-on interior-wall and pocket photos are needed to check for a creed patch or fabric brand tag.",
        "photo 6: close-ups of zipper pull, hardware, and any interior labels are needed.",
        "photo 7: bottom, corners, and strap ends are not fully shown."
    ],
    "authenticity_concerns": [
        "The visible construction provides no Coach-specific identifier and is consistent with a generic modern leather handbag.",
        "The silver\/gunmetal hardware, fabric lining, and shaped strap details are not a strong match for the classic vintage Coach construction suggested by the listing."
    ],
    "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 2: silver or gunmetal rectangular buckle and eyelets; no Coach engraving is visible.",
        "leather_description": "photos 1-3: smooth pink leather or leather-like material with fading and stitched piping; exact leather type cannot be confirmed.",
        "lining_description": "photo 3: pink\/tan fabric lining and an interior zippered compartment are visible; no label is readable.",
        "strap_construction": "photos 1-3: wide adjustable shoulder strap with stitched folded edges, buckle adjustment, and layered attachment details.",
        "stitching_description": "photos 1-3: generally even machine stitching and piped seams are visible, with some wear\/fading; stress-point construction is only partly shown."
    },
    "possible_model_reasoning": [
        "No Coach model is assigned because the coach probability is low and no Coach identifier is visible.",
        "The silhouette is a generic modern lined hobo\/shoulder bag rather than a clearly recognizable classic Coach model.",
        "Condition: Good to Very Good; visible fading and wear are noted in the listing and photos, while corners, bottom, and complete interior condition are not fully documented."
    ],
    "confidence": 0.74,
    "recommended_max_bid": 15,
    "estimated_resale_low": 10,
    "estimated_resale_high": 40,
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 16597,
            "output_tokens": 759,
            "total_tokens": 17356,
            "estimated_cost_usd": 0.00846
        }
    ]
}