Vintage Coach Hunter

{
    "is_handbag_probability": 0.985,
    "coach_probability": 0.03,
    "vintage_probability": 0.045,
    "authenticity_confidence": 0.025,
    "image_quality_score": 0.535,
    "seller_misidentification_probability": 0.055,
    "confidence": 0.64,
    "recommended_max_bid": 11,
    "estimated_resale_low": 15,
    "estimated_resale_high": 42.5,
    "possible_models": [],
    "positive_evidence": [
        "photo 1: Clearly a leather handbag with top handles, a zip-top opening, and detachable shoulder strap.",
        "photo 1: Brown leather and visible stitching are compatible with many generic leather handbags."
    ],
    "negative_evidence": [
        "photo 1: No visible COACH wordmark, horse-and-carriage emblem, creed patch, serial\/style number, or Coach hangtag.",
        "photo 1: The silhouette, dual zipper pulls, riveted handle tabs, and dark-tone strap hardware do not specifically match a documented vintage Coach classic.",
        "photo 1: The polished, heavily shaded leather finish and generic construction provide little evidence of vintage Coach manufacture.",
        "photo 1: Only a styled front product image is provided; it does not show identifying areas.",
        "photo 1: no creed patch, COACH wordmark, horse-and-carriage, or hangtag visible",
        "photo 1: no turnlock; zip-top closure with double leather zip pulls, not a Coach classic turnlock flap",
        "photo 1: silhouette - soft dome satchel with riveted handle tabs and detachable shoulder strap - does not match a catalog Coach classic",
        "photo 1: mottled burnished \/ antiqued brown finish unlike vintage Coach glove-tanned cowhide with natural patina",
        "photo 1: dark-tone \/ gunmetal hardware, not solid brass vintage Coach hardware"
    ],
    "missing_information": [
        "Interior back wall and pockets, including any creed patch or fabric tag.",
        "Close-up of every interior label, stamp, and serial\/style number.",
        "Back, bottom, side, and corner views.",
        "Close-ups of zipper pulls, strap clips, and hardware markings.",
        "Full strap and handle construction details.",
        "Seller-stated dimensions and whether the image is an actual item photo or a stock image.",
        "photo 1 only front view: no interior, creed patch, bottom, back, side, or hardware close-ups to verify identifiers",
        "creed \/ serial number not shown - need straight-on interior back wall \/ pocket photo",
        "lining, zipper brand stamps, hangtag, and wordmark not visible",
        "strap full length, bottom corners, and scale\/dimensions not shown"
    ],
    "authenticity_concerns": [
        "photo 1: This appears more consistent with an unbranded contemporary leather satchel than a vintage Coach model; no Coach identifier is visible.",
        "photo 1: The generic branding-free design could be a Coach-style lookalike, but the single image is insufficient to determine whether hidden labels or identifiers exist."
    ],
    "possible_model_reasoning": [
        "No Coach model is assigned because the visible silhouette is a generic zip-top satchel and no Coach identifier is present.",
        "photo 1: The top-handle and detachable-strap configuration does not provide a reliable match to Willis, Court, Station, or other documented vintage Coach styles.",
        "Condition: Not gradable beyond the visible exterior; interior, bottom, corners, strap wear, odor, and lining are unknown.",
        "photo 1 zip-top dome satchel does not correspond to City Bag, Willis, Court, Station, Duffle Sac or other classics; no Coach identifiers to decode",
        "era reasoning: burnished new vintage-look finish, dark plated hardware, zip-top satchel styling indicates modern (2000s+) non-Coach production, not pre-2000 glove-tanned era",
        "Condition: appears new \/ like-new from front only (photo 1) but grade capped - bottom, corners, interior and strap not shown so lining unknown and wear unknown"
    ],
    "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: Dark-tone rivets, zipper hardware, side strap clips, and buckles are visible; no Coach engraving is legible.",
        "leather_description": "photo 1: Brown leather-looking exterior with a glossy, distressed or antiqued finish and substantial soft folds; exact leather type is not verifiable.",
        "lining_description": "not_visible",
        "strap_construction": "photo 1: Detachable shoulder strap appears attached at both sides with dark-tone clips; buckle and full strap length are not shown.",
        "stitching_description": "photo 1: Visible contrast-to-matched dark stitching appears generally even around the handle tabs, zipper, and center seam; construction quality cannot be assessed fully from one image."
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.0016,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.98,
                "coach_probability": 0.03,
                "vintage_probability": 0.04,
                "authenticity_confidence": 0.02,
                "image_quality_score": 0.62,
                "seller_misidentification_probability": 0.08,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [
                    "photo 1: Clearly a leather handbag with top handles, a zip-top opening, and detachable shoulder strap.",
                    "photo 1: Brown leather and visible stitching are compatible with many generic leather handbags."
                ],
                "negative_evidence": [
                    "photo 1: No visible COACH wordmark, horse-and-carriage emblem, creed patch, serial\/style number, or Coach hangtag.",
                    "photo 1: The silhouette, dual zipper pulls, riveted handle tabs, and dark-tone strap hardware do not specifically match a documented vintage Coach classic.",
                    "photo 1: The polished, heavily shaded leather finish and generic construction provide little evidence of vintage Coach manufacture.",
                    "photo 1: Only a styled front product image is provided; it does not show identifying areas."
                ],
                "missing_information": [
                    "Interior back wall and pockets, including any creed patch or fabric tag.",
                    "Close-up of every interior label, stamp, and serial\/style number.",
                    "Back, bottom, side, and corner views.",
                    "Close-ups of zipper pulls, strap clips, and hardware markings.",
                    "Full strap and handle construction details.",
                    "Seller-stated dimensions and whether the image is an actual item photo or a stock image."
                ],
                "authenticity_concerns": [
                    "photo 1: This appears more consistent with an unbranded contemporary leather satchel than a vintage Coach model; no Coach identifier is visible.",
                    "photo 1: The generic branding-free design could be a Coach-style lookalike, but the single image is insufficient to determine whether hidden labels or identifiers exist."
                ],
                "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: Dark-tone rivets, zipper hardware, side strap clips, and buckles are visible; no Coach engraving is legible.",
                    "leather_description": "photo 1: Brown leather-looking exterior with a glossy, distressed or antiqued finish and substantial soft folds; exact leather type is not verifiable.",
                    "lining_description": "not_visible",
                    "strap_construction": "photo 1: Detachable shoulder strap appears attached at both sides with dark-tone clips; buckle and full strap length are not shown.",
                    "stitching_description": "photo 1: Visible contrast-to-matched dark stitching appears generally even around the handle tabs, zipper, and center seam; construction quality cannot be assessed fully from one image."
                },
                "possible_model_reasoning": [
                    "No Coach model is assigned because the visible silhouette is a generic zip-top satchel and no Coach identifier is present.",
                    "photo 1: The top-handle and detachable-strap configuration does not provide a reliable match to Willis, Court, Station, or other documented vintage Coach styles.",
                    "Condition: Not gradable beyond the visible exterior; interior, bottom, corners, strap wear, odor, and lining are unknown."
                ],
                "confidence": 0.58,
                "recommended_max_bid": 10,
                "estimated_resale_low": 15,
                "estimated_resale_high": 50
            }
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "result": {
                "authenticity_concerns": [],
                "authenticity_confidence": 0.03,
                "coach_probability": 0.03,
                "confidence": 0.7,
                "estimated_era": "modern (2000s+), non-Coach",
                "estimated_resale_high": 35,
                "estimated_resale_low": 15,
                "image_quality_score": 0.45,
                "is_handbag_probability": 0.99,
                "missing_information": [
                    "photo 1 only front view: no interior, creed patch, bottom, back, side, or hardware close-ups to verify identifiers",
                    "creed \/ serial number not shown - need straight-on interior back wall \/ pocket photo",
                    "lining, zipper brand stamps, hangtag, and wordmark not visible",
                    "strap full length, bottom corners, and scale\/dimensions not shown"
                ],
                "negative_evidence": [
                    "photo 1: no creed patch, COACH wordmark, horse-and-carriage, or hangtag visible",
                    "photo 1: no turnlock; zip-top closure with double leather zip pulls, not a Coach classic turnlock flap",
                    "photo 1: silhouette - soft dome satchel with riveted handle tabs and detachable shoulder strap - does not match a catalog Coach classic",
                    "photo 1: mottled burnished \/ antiqued brown finish unlike vintage Coach glove-tanned cowhide with natural patina",
                    "photo 1: dark-tone \/ gunmetal hardware, not solid brass vintage Coach hardware"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "dark-tone metal rivets on handle tabs and dark zipper hardware with leather pull tabs; finish and engraving not legible in photo 1",
                    "leather_description": "photo 1: brown cowhide-appearing leather with mottled burnished \/ vintage-effect shading, soft slouchy body",
                    "lining_description": "not_visible",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "photo 1: visible center seam and handle-tab stitching; detail, evenness and thread color not legible at this distance",
                    "strap_construction": "photo 1: short rolled top handles riveted to body plus detachable shoulder strap on dark metal clips; full length and adjustment not shown",
                    "turnlock_present": false
                },
                "positive_evidence": [],
                "possible_model_reasoning": [
                    "photo 1 zip-top dome satchel does not correspond to City Bag, Willis, Court, Station, Duffle Sac or other classics; no Coach identifiers to decode",
                    "era reasoning: burnished new vintage-look finish, dark plated hardware, zip-top satchel styling indicates modern (2000s+) non-Coach production, not pre-2000 glove-tanned era",
                    "Condition: appears new \/ like-new from front only (photo 1) but grade capped - bottom, corners, interior and strap not shown so lining unknown and wear unknown"
                ],
                "possible_models": [],
                "recommended_max_bid": 12,
                "seller_misidentification_probability": 0.03,
                "vintage_probability": 0.05
            }
        }
    ],
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            "output_tokens": 869,
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        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
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}