Vintage Coach Hunter

{
    "is_handbag_probability": 0.05,
    "coach_probability": 0.02,
    "vintage_probability": 0.03,
    "authenticity_confidence": 0.02,
    "image_quality_score": 0.88,
    "seller_misidentification_probability": 0.06,
    "estimated_era": "modern (2000s+), non-Coach",
    "possible_models": [],
    "positive_evidence": [],
    "negative_evidence": [
        "photo 1: Listing shows a standalone adjustable cloth shoulder strap rather than a handbag.",
        "photo 1: Strap has a colorful floral\/scroll woven pattern and no visible Coach wordmark, carriage, creed, or hangtag.",
        "photos 3-5: Hardware appears plated metal swivel clips and rectangular adjusters, with no visible Coach engraving.",
        "Listing title: Seller describes it as an unbranded cloth purse strap."
    ],
    "missing_information": [
        "photo 1: No handbag body is included or shown.",
        "photos 1-5: No reverse side, material label, or brand tag is visible, though these are not necessary to identify it as a Coach handbag."
    ],
    "authenticity_concerns": [
        "photos 1-5: This appears to be a generic replacement strap, not a Coach handbag or identifiable Coach accessory; there is no Coach-specific evidence to authenticate."
    ],
    "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": "photos 3-5: Plated metal swivel clips, rectangular strap adjusters, and attachment hardware; no visible brand engraving.",
        "leather_description": "Not leather; photos 1-2 show a woven cloth\/webbing strap.",
        "lining_description": "not_visible",
        "strap_construction": "photos 1-5: Approximately 1.5-inch-wide patterned woven strap with adjustable length and swivel clips at the ends.",
        "stitching_description": "photos 3-5: Folded strap ends appear secured around the hardware; detailed stitch quality is limited by flash glare."
    },
    "possible_model_reasoning": [
        "photos 1-5: No Coach handbag model applies because the item is a standalone strap, not a bag.",
        "Condition appears Good to Very Good from the visible strap and hardware; no major fraying or breakage is apparent, although the full length and attachment points are not completely assessed."
    ],
    "confidence": 0.93,
    "recommended_max_bid": 5,
    "estimated_resale_low": 5,
    "estimated_resale_high": 15,
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 16902,
            "output_tokens": 651,
            "total_tokens": 17553,
            "estimated_cost_usd": 0.008323
        }
    ]
}