Vintage Coach Hunter

{
    "is_handbag_probability": 0.98,
    "coach_probability": 0.02,
    "vintage_probability": 0.58,
    "authenticity_confidence": 0.02,
    "image_quality_score": 0.82,
    "seller_misidentification_probability": 0.12,
    "estimated_era": "modern (2000s+), non-Coach",
    "possible_models": [],
    "positive_evidence": [
        "photo 1: Clearly shaped as a small shoulder handbag with a framed kiss-lock closure.",
        "photo 2: Gold-tone chain shoulder strap and rectangular metal frame are visible.",
        "listing text: Seller describes it as a Jacobson's bag made in Hong Kong, not as Coach."
    ],
    "negative_evidence": [
        "photo 2: Exterior is covered in dark blue macram\u00e9\/textile material rather than Coach glove-tanned leather or recognizable Coach signature canvas.",
        "photo 1: No visible Coach wordmark, carriage, creed patch, or leather hangtag.",
        "photo 3: Chain hardware is visible, but no Coach engraving or other Coach identifier is shown.",
        "photo 4: The bag's construction is a framed macram\u00e9 evening bag, not a recognizable vintage Coach catalog silhouette."
    ],
    "missing_information": [
        "photo 5: Interior is not shown; request a clear photo of the lining, slip pocket, and any brand label.",
        "photo 1: No close-up of the kiss-lock hardware or any maker stamp is provided.",
        "photo 2: No underside, side seams, or bottom view to evaluate construction and condition.",
        "photo 1: Seller-stated Hong Kong\/Jacobson's origin is not independently visible in the photos."
    ],
    "authenticity_concerns": [
        "The visible textile\/macram\u00e9 construction and framed kiss-lock design do not provide evidence of Coach manufacture.",
        "No Coach identifiers are visible, so a Coach attribution cannot be supported from these photos."
    ],
    "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 2 and photo 4: Gold-tone rectangular kiss-lock frame with a linked chain shoulder strap; no visible branding or engraving.",
        "leather_description": "photo 2: No leather exterior is visible; body appears to be dark navy macram\u00e9 or textile.",
        "lining_description": "not_visible",
        "strap_construction": "photo 1 and photo 3: Narrow linked metal chain shoulder strap attached at both upper sides.",
        "stitching_description": "not_visible"
    },
    "possible_model_reasoning": [
        "The rectangular framed body, macram\u00e9 exterior, and kiss-lock closure are consistent with a vintage evening or department-store bag, but not with the identifiable Coach models in the reference catalog.",
        "The seller's stated 1970s date is not verifiable from the photographs; the visible construction could be vintage, but no period label or date code is shown.",
        "Condition appears approximately Very Good from the exterior photos: the macram\u00e9 and frame appear intact with no obvious major damage, but the interior and closure function are unverified."
    ],
    "confidence": 0.84,
    "recommended_max_bid": 8,
    "estimated_resale_low": 10,
    "estimated_resale_high": 30,
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 17788,
            "output_tokens": 823,
            "total_tokens": 18611,
            "estimated_cost_usd": 0.00909
        }
    ]
}