Vintage Coach Hunter

{
    "is_handbag_probability": 0.99,
    "coach_probability": 0.01,
    "vintage_probability": 0.01,
    "authenticity_confidence": 0.01,
    "image_quality_score": 0.91,
    "seller_misidentification_probability": 0.94,
    "estimated_era": "modern (2000s+), non-Coach",
    "possible_models": [],
    "positive_evidence": [],
    "negative_evidence": [
        "photo 1: clearly visible metallic 'Montana West' branding on the front, not Coach branding.",
        "photo 3: product branding and zipper charm both show Montana West\/MW identifiers.",
        "photo 3: seller-described PU construction is consistent with a modern synthetic handbag, not vintage Coach glove-tanned leather.",
        "photo 5: bright gold-tone zipper hardware and bright red fabric lining are inconsistent with a classic unlined vintage Coach bag.",
        "photo 4: clean mass-produced tote construction, matching pouch, and product-photo presentation indicate a modern retail item."
    ],
    "missing_information": [
        "No need for a Coach creed close-up because the visible Montana West branding identifies the bag as another brand.",
        "Seller-stated listing price and shipping cost are not provided.",
        "Actual condition after use is not independently shown; photos appear to be stock\/product images."
    ],
    "authenticity_concerns": [
        "photo 1: the bag is branded Montana West, making it a non-Coach lookalike\/alternative rather than an unidentified Coach bag.",
        "photo 3: the visible MW zipper charm and Montana West wordmark are inconsistent with Coach manufacture."
    ],
    "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 3: gold-tone top zipper hardware and a decorative MW zipper charm are visible; no turnlock is visible.",
        "leather_description": "photo 1 and photo 3: dark red textured PU\/synthetic material with a distressed-look finish, as also stated by the seller.",
        "lining_description": "photo 5 and photo 6: bright red fabric lining with a zippered interior pocket; not vintage unlined glove-tanned construction.",
        "strap_construction": "photo 4: two narrow fixed shoulder straps attached to the tote with stitched rectangular tabs; no adjustable or detachable Coach-style strap is visible.",
        "stitching_description": "photo 3 and photo 4: regular machine stitching and finished synthetic-material edges are visible; construction appears mass-produced and consistent with a modern PU tote."
    },
    "possible_model_reasoning": [
        "No Coach model is appropriate: the visible Montana West branding and MW zipper charm identify a different brand.",
        "photo 4: tote silhouette with dual fixed handles, top zipper, and matching pouch is a generic modern carry-all design, not a recognizable vintage Coach classic.",
        "Condition: apparent new or stock-photo condition, but actual used condition cannot be confirmed from the listing images."
    ],
    "confidence": 0.94,
    "recommended_max_bid": 8,
    "estimated_resale_low": 5,
    "estimated_resale_high": 30,
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 17812,
            "output_tokens": 792,
            "total_tokens": 18604,
            "estimated_cost_usd": 0.009026
        }
    ]
}