Vintage Coach Hunter

{
    "is_handbag_probability": 0.99,
    "coach_probability": 0.12,
    "vintage_probability": 0.35,
    "authenticity_confidence": 0.1,
    "image_quality_score": 0.82,
    "seller_misidentification_probability": 0.12,
    "estimated_era": "modern (2000s+), non-Coach",
    "possible_models": [],
    "positive_evidence": [
        "photo 1: Leather flap shoulder-bag construction and gold-tone ring hardware are compatible with the broad category of vintage leather handbags.",
        "photo 3: The bag appears to use a dark suede-like interior, a construction detail that can occur on some Coach bags."
    ],
    "negative_evidence": [
        "photo 1: No visible COACH wordmark, horse-and-carriage emblem, hangtag, or recognizable Coach closure.",
        "photo 1: The flap has no visible Coach-style turnlock; the bag instead appears to close with an interior zipper.",
        "photo 3: The visible interior and back wall do not show a sewn leather creed patch.",
        "photo 4: The interior appears lined, whereas many classic vintage Coach saddle and glove-tanned styles were unlined suede-back leather.",
        "photo 1: The silhouette and construction are generic and could represent an unbranded leather saddle bag."
    ],
    "missing_information": [
        "photo 3-7: A straight-on, close-up photograph of every interior wall and pocket seam to confirm that no creed or fabric brand tag is present.",
        "photo 4: A close-up of the zipper pull, including both sides and any stamp.",
        "photo 1: Close-ups of all hardware, strap attachments, stitching, bottom, and corners.",
        "Seller-stated dimensions, country of manufacture, and any markings found inside or underneath the bag."
    ],
    "authenticity_concerns": [
        "No Coach identifier is visible despite multiple interior views; this is more consistent with an unbranded or lookalike bag than an identifiable Coach example.",
        "The generic silhouette and apparent lining do not strongly match a classic vintage Coach model.",
        "Authenticity cannot be meaningfully assessed without a visible creed, wordmark, or other brand identifier."
    ],
    "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: Gold-tone rings and strap attachment hardware are visible; no turnlock or legible engraving is visible.",
        "leather_description": "photos 1-2: Black leather-like material with fine grain and a smooth, slightly glossy finish; visible creasing and surface wear on the flap.",
        "lining_description": "photos 3-7: Dark fabric or suede-like lining is visible; no brand label or creed can be read.",
        "strap_construction": "photo 1: Long adjustable-looking shoulder strap attached at both sides with rings and leather tabs; exact adjustment and attachment construction are not fully visible.",
        "stitching_description": "photos 1-2: Perimeter stitching is generally even and tonal, with a prominent center seam on the front body; no distinctive Coach construction feature is visible."
    },
    "possible_model_reasoning": [
        "The bag is a genuine handbag based on its flap body, shoulder strap, and interior compartments.",
        "It does not closely match a specific cataloged Coach classic such as the City Bag, Willis, Court, or Stewardess because no Coach turnlock, creed, or model-specific hardware is visible.",
        "Condition: Good to Very Good; visible creasing and light surface wear are present on the flap and strap, while corners and the full bottom are not adequately shown. Interior odor, mold, and functional zipper condition are unknown."
    ],
    "confidence": 0.78,
    "recommended_max_bid": 12,
    "estimated_resale_low": 10,
    "estimated_resale_high": 35,
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 33093,
            "output_tokens": 858,
            "total_tokens": 33951,
            "estimated_cost_usd": 0.015296
        }
    ]
}