Vintage Coach Hunter

{
    "is_handbag_probability": 0.99,
    "coach_probability": 0.04,
    "vintage_probability": 0.03,
    "authenticity_confidence": 0.03,
    "image_quality_score": 0.88,
    "seller_misidentification_probability": 0.08,
    "estimated_era": "modern (2000s+), non-Coach",
    "possible_models": [],
    "positive_evidence": [
        "photo 1: Clearly constructed as a handbag with multiple zip compartments, shoulder handles, and side strap details.",
        "photo 1: The seller lists the bag as unbranded, which is compatible with a misidentified Coach listing but provides only weak evidence."
    ],
    "negative_evidence": [
        "photo 1: The all-over abstract black motif is not the paired, mirror-aligned Coach Signature C pattern; it appears generic or brand-evoking.",
        "photo 1: The bag uses prominent silver-tone hardware rather than the brass hardware typical of many vintage Coach classics.",
        "photo 4: The visible interior is shiny synthetic-looking brown fabric and is not a vintage unlined glove-tanned Coach interior.",
        "photos 1-3: No legible Coach wordmark, horse-and-carriage, creed patch, hangtag, or other Coach identifier is visible.",
        "photos 1-3: The construction, bright contrast stitching, multiple exterior straps, and decorative motif do not strongly match a documented vintage Coach classic silhouette."
    ],
    "missing_information": [
        "A straight-on photograph of every interior wall and pocket, especially where a creed patch or fabric brand tag might be sewn.",
        "A close-up of all zipper pulls, hardware, and any interior or exterior labels.",
        "Clear bottom, corner, and strap-fold photographs for condition assessment.",
        "Seller-stated material composition and country of manufacture."
    ],
    "authenticity_concerns": [
        "photos 1-3: The large abstract motif could be mistaken for Coach Signature, but it does not show the required paired and aligned Cs; this is a lookalike-brand concern.",
        "photos 1-6: The lined synthetic-looking construction and silver-tone hardware are inconsistent with the classic vintage Coach construction the listing might otherwise suggest."
    ],
    "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": "Silver-tone rings, buckles, zipper hardware, and pulls are visible in photos 1-6; no Coach engraving is legible. No turnlock is visible.",
        "leather_description": "Dark brown\/black trim appears smooth and coated or synthetic; the main body is patterned textile rather than visible glove-tanned leather.",
        "lining_description": "Photos 4-6 show shiny brown synthetic-looking textile lining in multiple zip compartments.",
        "strap_construction": "Two wide shoulder straps and additional side strap\/buckle details are visible; trim is heavily topstitched with contrasting light thread.",
        "stitching_description": "Visible contrast stitching is generally even but decorative and prominent throughout the synthetic-looking trim; no distinctive Coach construction is established."
    },
    "possible_model_reasoning": [
        "No Coach model is a reasonable match because the bag lacks Coach identifiers and its abstract textile pattern does not correspond to the documented Signature C layout.",
        "Condition appears approximately Very Good from the visible exterior: shape is intact and there is no obvious major corner damage in photos 1-3, but interior odor, hidden wear, and strap-fold condition are unknown."
    ],
    "confidence": 0.86,
    "recommended_max_bid": 8,
    "estimated_resale_low": 10,
    "estimated_resale_high": 30,
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 25611,
            "output_tokens": 847,
            "total_tokens": 26458,
            "estimated_cost_usd": 0.012277
        }
    ]
}