Vintage Coach Hunter

{
    "is_handbag_probability": 0.98,
    "coach_probability": 0.01,
    "vintage_probability": 0.03,
    "authenticity_confidence": 0.01,
    "image_quality_score": 0.82,
    "seller_misidentification_probability": 0.96,
    "estimated_era": "modern (2000s+), non-Coach",
    "possible_models": [],
    "positive_evidence": [],
    "negative_evidence": [
        "photo 1: front shows an all-over interlocking GG monogram, not Coach's paired C signature pattern.",
        "photo 1: prominent horseshoe\/horsebit-style clasp and chain strap do not match the documented construction of vintage Coach classics.",
        "photos 2, 4, 5 and 6: visible material appears to be coated or textile monogram canvas with black trim rather than vintage glove-tanned leather.",
        "photos 1-6: no Coach wordmark, creed patch, serial\/style number, horse-and-carriage logo, or Coach hangtag is visible.",
        "photo 3: interior appears black synthetic\/textile lining; no Coach identifier is visible."
    ],
    "missing_information": [
        "photo 1: no clear close-up of any interior brand label or fabric tag.",
        "photo 3: no readable maker label, date code, or country-of-origin marking is shown.",
        "photos 1 and 4: bottom, side construction, and strap attachment details are not fully documented."
    ],
    "authenticity_concerns": [
        "The bag's GG monogram and horsebit-style clasp indicate a Gucci-branded or Gucci-inspired design, not a Coach design.",
        "No Coach identifiers are visible despite multiple interior and exterior views.",
        "The listing is labeled unbranded, but the visible monogram is a strong non-Coach brand\/lookalike cue."
    ],
    "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: dark metal chain strap and a prominent curved horsebit\/horseshoe-style front clasp; no Coach-style turnlock is visible.",
        "leather_description": "photos 1, 2, 4-6: monogrammed textile or coated-canvas-like exterior with black trim; genuine leather is not established.",
        "lining_description": "photos 3 and 5: black interior lining or interior material is visible, but its composition and labels are not readable.",
        "strap_construction": "photo 1: long dark metal chain shoulder strap; attachment points are only partly visible.",
        "stitching_description": "photos 1, 4 and 6: perimeter stitching appears generally even, though detailed stitch quality is not sufficiently visible."
    },
    "possible_model_reasoning": [
        "The rectangular flap silhouette and chain strap are consistent with a contemporary monogram fashion shoulder bag, but not with a documented vintage Coach model.",
        "The GG pattern and horsebit-style clasp are the primary visible design identifiers and point away from Coach.",
        "Condition: approximately Good to Very Good from the visible exterior; no major tears are apparent, but interior, corners, odor, and functional hardware are incompletely documented."
    ],
    "confidence": 0.88,
    "recommended_max_bid": 5,
    "estimated_resale_low": 5,
    "estimated_resale_high": 30,
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 18067,
            "output_tokens": 817,
            "total_tokens": 18884,
            "estimated_cost_usd": 0.009188
        }
    ]
}