Vintage Coach Hunter

{
    "is_handbag_probability": 0.98,
    "coach_probability": 0.045,
    "vintage_probability": 0.04,
    "authenticity_confidence": 0.04,
    "image_quality_score": 0.505,
    "seller_misidentification_probability": 0.055,
    "confidence": 0.625,
    "recommended_max_bid": 9,
    "estimated_resale_low": 7.5,
    "estimated_resale_high": 30,
    "possible_models": [],
    "positive_evidence": [
        "photo 1: small leather-look flap crossbody handbag with adjustable strap"
    ],
    "negative_evidence": [
        "photo 1: Contemporary pebbled leather crossbody with a prominent central strap-and-slot closure, contrasting dark edge trim, and bright gold-tone lobster clasps; it does not show a recognizable vintage Coach turnlock or Coach wordmark.",
        "photo 1: The structured silhouette and hardware do not closely match the catalogued vintage Coach classic shapes visible here.",
        "photo 1: no creed patch, COACH wordmark, horse-and-carriage or hangtag visible",
        "photo 1: no turnlock - simple vertical tab closure, not Coach turnlock geometry",
        "photo 1: modern two-tone pebbled finish with white contrast stitching and bright gold-tone plated buckle and dogleash clips, not vintage solid-brass glove-tanned construction",
        "photo 1: small rounded crossbody silhouette with contrast brown strap\/tab does not match any classic Coach catalog style"
    ],
    "missing_information": [
        "photo 1 is the only provided view; request interior, creed\/brand patch, bottom, side, rear, zipper and hardware close-ups, and both sides of any hangtag.",
        "The seller provides no material, dimensions, country, or brand information beyond 'Unbranded' and 'Good condition'.",
        "Creed patch and serial\/style number are not shown.",
        "photo 1 only: no interior, creed patch, bottom, sides or back views shown - request emptied interior and creed close-up",
        "turnlock\/hardware close-up and any stamps on hardware not shown",
        "hangtag both faces not shown",
        "strap ends, buckle holes and lining not shown",
        "seller-stated dimensions and materials not provided"
    ],
    "authenticity_concerns": [
        "photo 1: No Coach identifier is visible, and the bag's modern construction provides little support for Coach manufacture; it may be a generic contemporary leather bag."
    ],
    "possible_model_reasoning": [
        "photo 1: The bag is a small structured crossbody, but its closure and proportions do not provide a reliable match to a listed vintage Coach model.",
        "Condition: approximately Very Good from the visible exterior; no obvious major damage is visible, but the interior, bottom, corners, and strap attachment points are not adequately assessed. Seller states 'Good condition'; this is unverified.",
        "no Coach identifier visible so no catalog match is supportable; shape, two-tone colorblock, contrast stitching and tab closure do not correspond to Willis (9927), Court (9870), Station (5130), Dinky (9375) or other classics",
        "Condition: seller states Good condition; photo 1 shows clean exterior with no obvious corner wear, but bottom, interior and strap fold not shown so grade capped"
    ],
    "estimated_era": "modern (2000s+), non-Coach",
    "observed_features": {
        "creed_present": false,
        "serial_or_style_number_present": false,
        "coach_wordmark_present": false,
        "turnlock_present": false,
        "hangtag_present": false,
        "creed_text": "not_visible",
        "serial_or_style_number": "not_visible",
        "hardware_description": "photo 1: Gold-tone lobster clasps, rings, and a small buckle are visible; no Coach engraving is legible.",
        "leather_description": "photo 1: Pebbled taupe\/gray leather-like exterior is visible; exact material cannot be confirmed.",
        "lining_description": "not_visible",
        "strap_construction": "photo 1: Adjustable dark leather or leather-like shoulder strap with contrasting light stitching and gold-tone hardware; detachable at the bag sides.",
        "stitching_description": "photo 1: Visible contrasting stitching appears generally even around the flap and strap, though detail is limited."
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.0036,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.98,
                "coach_probability": 0.04,
                "vintage_probability": 0.03,
                "authenticity_confidence": 0.03,
                "image_quality_score": 0.66,
                "seller_misidentification_probability": 0.06,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [],
                "negative_evidence": [
                    "photo 1: Contemporary pebbled leather crossbody with a prominent central strap-and-slot closure, contrasting dark edge trim, and bright gold-tone lobster clasps; it does not show a recognizable vintage Coach turnlock or Coach wordmark.",
                    "photo 1: The structured silhouette and hardware do not closely match the catalogued vintage Coach classic shapes visible here."
                ],
                "missing_information": [
                    "photo 1 is the only provided view; request interior, creed\/brand patch, bottom, side, rear, zipper and hardware close-ups, and both sides of any hangtag.",
                    "The seller provides no material, dimensions, country, or brand information beyond 'Unbranded' and 'Good condition'.",
                    "Creed patch and serial\/style number are not shown."
                ],
                "authenticity_concerns": [
                    "photo 1: No Coach identifier is visible, and the bag's modern construction provides little support for Coach manufacture; it may be a generic contemporary leather bag."
                ],
                "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 lobster clasps, rings, and a small buckle are visible; no Coach engraving is legible.",
                    "leather_description": "photo 1: Pebbled taupe\/gray leather-like exterior is visible; exact material cannot be confirmed.",
                    "lining_description": "not_visible",
                    "strap_construction": "photo 1: Adjustable dark leather or leather-like shoulder strap with contrasting light stitching and gold-tone hardware; detachable at the bag sides.",
                    "stitching_description": "photo 1: Visible contrasting stitching appears generally even around the flap and strap, though detail is limited."
                },
                "possible_model_reasoning": [
                    "photo 1: The bag is a small structured crossbody, but its closure and proportions do not provide a reliable match to a listed vintage Coach model.",
                    "Condition: approximately Very Good from the visible exterior; no obvious major damage is visible, but the interior, bottom, corners, and strap attachment points are not adequately assessed. Seller states 'Good condition'; this is unverified."
                ],
                "confidence": 0.65,
                "recommended_max_bid": 10,
                "estimated_resale_low": 5,
                "estimated_resale_high": 30
            }
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "result": {
                "authenticity_concerns": [],
                "authenticity_confidence": 0.05,
                "coach_probability": 0.05,
                "confidence": 0.6,
                "estimated_era": "modern (2000s+), non-Coach",
                "estimated_resale_high": 30,
                "estimated_resale_low": 10,
                "image_quality_score": 0.35,
                "is_handbag_probability": 0.98,
                "missing_information": [
                    "photo 1 only: no interior, creed patch, bottom, sides or back views shown - request emptied interior and creed close-up",
                    "turnlock\/hardware close-up and any stamps on hardware not shown",
                    "hangtag both faces not shown",
                    "strap ends, buckle holes and lining not shown",
                    "seller-stated dimensions and materials not provided"
                ],
                "negative_evidence": [
                    "photo 1: no creed patch, COACH wordmark, horse-and-carriage or hangtag visible",
                    "photo 1: no turnlock - simple vertical tab closure, not Coach turnlock geometry",
                    "photo 1: modern two-tone pebbled finish with white contrast stitching and bright gold-tone plated buckle and dogleash clips, not vintage solid-brass glove-tanned construction",
                    "photo 1: small rounded crossbody silhouette with contrast brown strap\/tab does not match any classic Coach catalog style"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "gold-tone buckle on strap and gold-tone dogleash clips at sides visible in photo 1; bright plated appearance, no COACH engraving visible; closure is flat leather tab, no turnlock plate visible",
                    "leather_description": "photo 1: pebbled grain leather-look in two tones - light taupe body and dark brown strap and front tab with white contrast stitching; painted edges; modern appearance",
                    "lining_description": "not_visible",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "photo 1: white contrast stitching along strap edges and flap edge, even but contrasting thread, not tone-on-tone Coach classic stitching",
                    "strap_construction": "photo 1: thin detachable dark brown crossbody strap with buckle adjustment and gold-tone dogleash clips; full length, underside and holes not shown",
                    "turnlock_present": false
                },
                "positive_evidence": [
                    "photo 1: small leather-look flap crossbody handbag with adjustable strap"
                ],
                "possible_model_reasoning": [
                    "no Coach identifier visible so no catalog match is supportable; shape, two-tone colorblock, contrast stitching and tab closure do not correspond to Willis (9927), Court (9870), Station (5130), Dinky (9375) or other classics",
                    "Condition: seller states Good condition; photo 1 shows clean exterior with no obvious corner wear, but bottom, interior and strap fold not shown so grade capped"
                ],
                "possible_models": [],
                "recommended_max_bid": 8,
                "seller_misidentification_probability": 0.05,
                "vintage_probability": 0.05
            }
        }
    ],
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 15580,
            "output_tokens": 561,
            "total_tokens": 16141,
            "estimated_cost_usd": 0.007578
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 15905,
            "output_tokens": 1328,
            "total_tokens": 17233,
            "estimated_cost_usd": 0.004243
        }
    ]
}