Vintage Coach Hunter

{
    "is_handbag_probability": 0.99,
    "coach_probability": 0.01,
    "vintage_probability": 0.03,
    "authenticity_confidence": 0.03,
    "image_quality_score": 0.91,
    "seller_misidentification_probability": 0.97,
    "estimated_era": "modern (2000s+), non-Coach",
    "possible_models": [],
    "positive_evidence": [],
    "negative_evidence": [
        "photo 1: prominent interlocking YSL logo on the flap is inconsistent with Coach branding.",
        "photo 3: interior hardware rings are visibly engraved SAINT LAURENT PARIS.",
        "photo 4: snap hardware is engraved SAINT LAURENT PARIS.",
        "photo 1: quilted black leather, chain strap, and silver-tone hardware resemble a Saint Laurent-style shoulder bag, not a vintage Coach silhouette.",
        "photo 1: no Coach wordmark, horse-and-carriage, hangtag, or vintage Coach turnlock is visible."
    ],
    "missing_information": [
        "photo 1: no complete interior label or authenticity tag is shown.",
        "photo 2: no bottom, side, or corner close-ups.",
        "photo 1: dimensions, date of purchase, and provenance are not provided."
    ],
    "authenticity_concerns": [
        "photo 1: the bag is clearly presented with Saint Laurent branding rather than Coach; any Saint Laurent authenticity would require separate examination.",
        "photo 3: the interior view does not show a Coach creed or serial patch."
    ],
    "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: silver-tone chain strap and ring hardware; photo 3: rings visibly marked SAINT LAURENT PARIS; no Coach hardware visible.",
        "leather_description": "photo 1: black quilted, glossy and heavily wrinkled leather-like exterior; exact leather type is not established.",
        "lining_description": "photo 3: black interior with a zippered compartment; no Coach lining or creed visible.",
        "strap_construction": "photo 1: combination leather shoulder section and silver-tone chain strap attached through metal rings.",
        "stitching_description": "photo 1: visible perimeter and quilted stitching appears generally even; close stress-point inspection is unavailable."
    },
    "possible_model_reasoning": [
        "photo 1: silhouette and interlocking YSL logo indicate a Saint Laurent-style quilted shoulder bag, not a Coach catalog model.",
        "photo 3: Saint Laurent Paris engravings further exclude a Coach identification.",
        "Condition appears Good to Very Good from the shown views, with extensive visible creasing and wrinkling; corners and full interior condition are not completely documented."
    ],
    "confidence": 0.94,
    "recommended_max_bid": null,
    "estimated_resale_low": 80,
    "estimated_resale_high": 220,
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 24206,
            "output_tokens": 739,
            "total_tokens": 24945,
            "estimated_cost_usd": 0.011456
        }
    ]
}