Vintage Coach Hunter

{
    "is_handbag_probability": 0.98,
    "coach_probability": 0.03,
    "vintage_probability": 0.08,
    "authenticity_confidence": 0.03,
    "image_quality_score": 0.88,
    "seller_misidentification_probability": 0.12,
    "estimated_era": "modern (2000s+), non-Coach",
    "possible_models": [],
    "positive_evidence": [
        "photo 2: clearly a leather handbag with shoulder handles, exterior zip pocket, and zip-top construction.",
        "photo 4: seller\/material tag visibly states shell 100% leather and lining 100% polyester."
    ],
    "negative_evidence": [
        "photo 1: decorative burgundy straps and hardware do not show a Coach turnlock, horse-and-carriage, or other recognizable Coach construction.",
        "photo 2: prominent paisley exterior has no visible Coach wordmark or paired-C signature pattern.",
        "photo 3: interior is polyester-lined, which is inconsistent with many classic unlined glove-tanned Coach handbag styles.",
        "photo 4: visible material tag identifies only shell and lining composition; no Coach branding, creed, or style number is visible.",
        "photo 1: zipper hardware appears generic and no Coach engraving is visible."
    ],
    "missing_information": [
        "photo request: straight-on interior back-wall and pocket views to confirm that no creed patch or Coach label is present.",
        "photo request: close-ups of every zipper pull and hardware piece for possible brand markings.",
        "photo request: bottom, side seams, strap attachment points, and any sewn-in labels."
    ],
    "authenticity_concerns": [
        "The bag's generic paisley design, polyester lining, and absence of Coach identifiers are more consistent with an unbranded or lookalike leather handbag than Coach.",
        "The visible construction does not match a clearly recognizable vintage Coach model; silhouette alone cannot support Coach attribution."
    ],
    "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: burgundy leather strap attachments with small gold-tone rings\/rivets and zip closures; no Coach engraving visible.",
        "leather_description": "photo 1: patterned mustard, burgundy, and green leather exterior with burgundy leather trim; surface appears glossy or finished rather than clearly glove-tanned.",
        "lining_description": "photo 3 and photo 4: cream-colored polyester lining; material tag states 100% polyester.",
        "strap_construction": "photos 1-3: two fixed burgundy shoulder handles attached with leather tabs and metal rings; no adjustable or detachable Coach-style strap is visible.",
        "stitching_description": "photos 1-4: visible perimeter stitching appears generally even, though fine stitch quality and stress points are not fully assessable."
    },
    "possible_model_reasoning": [
        "No Coach model is supported by the photos. The zip-top, handled silhouette is a generic modern leather handbag rather than a distinctive listed Coach classic.",
        "Condition: Good to Very Good; visible surface creasing and wear around the leather trim and handles (photos 1-4), with no major tear or broken hardware visible. Interior condition is only partly shown.",
        "The polyester lining and contemporary-looking zipper construction suggest modern production, but no date label is visible."
    ],
    "confidence": 0.9,
    "recommended_max_bid": 12,
    "estimated_resale_low": 8,
    "estimated_resale_high": 30,
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 17252,
            "output_tokens": 773,
            "total_tokens": 18025,
            "estimated_cost_usd": 0.008756
        }
    ]
}