Vintage Coach Hunter

{
    "is_handbag_probability": 0.02,
    "coach_probability": 0.02,
    "vintage_probability": 0.03,
    "authenticity_confidence": 0.02,
    "image_quality_score": 0.94,
    "seller_misidentification_probability": 0.02,
    "estimated_era": "modern (2000s+), non-Coach",
    "possible_models": [],
    "positive_evidence": [],
    "negative_evidence": [
        "photo 1: item is a detachable purse strap rather than a handbag; no Coach bag body is shown.",
        "photo 1: strap has black floral textile material, tan leather end tabs, and generic brass-tone swivel clips; no recognizable Coach construction or branding is visible.",
        "photo 3: promotional overlay identifies the materials only as thick cowhide\/genuine leather and shows generic hardware, not Coach identifiers.",
        "photo 1: no Coach wordmark, horse-and-carriage, creed patch, style number, or branded hangtag is visible."
    ],
    "missing_information": [
        "Photos of the attached handbag, if this strap is being sold with one.",
        "Close-ups of both sides of the leather end tabs and all hardware for any maker marks.",
        "Exact strap length, condition, and whether the item is new or used."
    ],
    "authenticity_concerns": [
        "photo 1: the item is an unbranded accessory with no evidence connecting it to Coach; it should not be treated as a Coach replacement strap.",
        "photo 3: promotional claims such as 'vintage brass buckle' and 'genuine leather' are seller-provided imagery\/text and do not establish brand or age."
    ],
    "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: brass-tone rectangular slide adjuster, swivel lobster-style clips, and small rings; no brand engraving is visible.",
        "leather_description": "photo 1: tan leather-looking end tabs with decorative stitching and rivet-like studs; photo 3 labels the material 'genuine leather,' but composition cannot be independently confirmed.",
        "lining_description": "not_visible",
        "strap_construction": "photo 1: approximately 2-inch-wide black floral embroidered\/textile strap with adjustable slide hardware and leather attachment tabs.",
        "stitching_description": "photo 3: visible machine stitching appears regular around the tan end tabs; no handbag stitching is shown."
    },
    "possible_model_reasoning": [
        "This is an accessory strap, not a Coach handbag, so no Coach model match is appropriate.",
        "photo 1: the floral textile strap and generic leather tabs do not correspond to the classic Coach handbag identifiers or catalog silhouettes.",
        "Condition appears new or unused in the product photos, but real-world condition and age cannot be confirmed from promotional images."
    ],
    "confidence": 0.94,
    "recommended_max_bid": 5,
    "estimated_resale_low": 5,
    "estimated_resale_high": 20,
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 25472,
            "output_tokens": 666,
            "total_tokens": 26138,
            "estimated_cost_usd": 0.011787
        }
    ]
}