Vintage Coach Hunter

{
    "is_handbag_probability": 0.98,
    "coach_probability": 0.06,
    "vintage_probability": 0.32,
    "authenticity_confidence": 0.04,
    "image_quality_score": 0.76,
    "seller_misidentification_probability": 0.08,
    "estimated_era": "modern (2000s+), non-Coach",
    "possible_models": [],
    "positive_evidence": [
        "photo 1: genuine-looking brown leather crossbody construction and brass-tone rings are compatible with a broad range of vintage leather bags.",
        "photo 2: the bag has substantial leather straps and generally even exterior stitching."
    ],
    "negative_evidence": [
        "photo 1: no visible COACH wordmark, horse-and-carriage, creed patch, or leather hangtag.",
        "photo 1: front design uses multiple external zip and slip pockets rather than a recognizable classic Coach turnlock silhouette.",
        "photo 1: zipper pull appears to be a simple leather tab, with no visible Coach marking.",
        "photo 2: back is an unbranded plain leather panel with no visible Coach identifier.",
        "photo 1: hardware appears limited to rings and zipper hardware; no classic Coach turnlock is visible."
    ],
    "missing_information": [
        "photo 1-2: interior, including the back wall and any leather creed patch, is not shown.",
        "A straight-on close-up of any interior stamp, fabric tag, zipper pull, or hardware marking is needed.",
        "Bottom, side, and full strap-attachment views are not provided.",
        "Seller-stated dimensions, country of manufacture, and material details are unavailable."
    ],
    "authenticity_concerns": [
        "The visible construction is generic and lacks any Coach identifier; it is more consistent with an unbranded or other-brand leather crossbody.",
        "The photographs do not show the interior, so a concealed creed or brand label cannot be ruled out."
    ],
    "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 1-2: brass-tone rings and zipper hardware are visible; no turnlock, branded engraving, or Coach-marked hardware is visible.",
        "leather_description": "photo 1-2: brown, moderately pebbled leather with substantial creasing, wrinkling, surface variation, and visible wear.",
        "lining_description": "not_visible",
        "strap_construction": "photo 1-2: long adjustable leather crossbody strap with stitched edges and brass-tone ring attachments; strap wear and creasing are visible.",
        "stitching_description": "photo 1-2: exterior stitching is generally straight and machine-stitched, with some visible wear and unevenness around strap and edge areas."
    },
    "possible_model_reasoning": [
        "No Coach model is assigned because the visible silhouette is a generic rectangular multi-pocket crossbody without a Coach-specific closure or identifier.",
        "photo 1-2: apparent age is based only on worn, creased leather; the absence of interior and label views prevents reliable dating.",
        "Condition: Good; substantial creasing, darkened\/worn leather, and edge wear are visible, while interior condition and odor are unknown."
    ],
    "confidence": 0.74,
    "recommended_max_bid": 10,
    "estimated_resale_low": 15,
    "estimated_resale_high": 40,
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 17353,
            "output_tokens": 805,
            "total_tokens": 18158,
            "estimated_cost_usd": 0.008873
        }
    ]
}