Vintage Coach Hunter

{
    "is_handbag_probability": 0.99,
    "coach_probability": 0.02,
    "vintage_probability": 0.015,
    "authenticity_confidence": 0.02,
    "image_quality_score": 0.78,
    "seller_misidentification_probability": 0.02,
    "confidence": 0.91,
    "recommended_max_bid": 8,
    "estimated_resale_low": 5,
    "estimated_resale_high": 20,
    "possible_models": [],
    "positive_evidence": [],
    "negative_evidence": [
        "photo 1: Seller describes the bag as vegan, and the smooth uniform material appears synthetic rather than vintage glove-tanned leather.",
        "photo 1: The bag has a generic white flap silhouette and decorative gold-tone clasp, not a recognizable Coach model or classic Coach turnlock.",
        "photo 2: Hardware and strap attachments appear lightweight\/plated and generic; no Coach wordmark, carriage, creed, or branded hangtag is visible.",
        "photo 6: The reverse has no visible Coach branding or identifier.",
        "photo 1,2,4: smooth uniform white synthetic material with black edge paint, not glove-tanned cowhide",
        "photo 1,2,4: bright gold-tone plated cylindrical twist\/pin lock, not Coach turnlock geometry with wide oval back plate",
        "photo 1,3,5: thin flat strap with bright plated lobster-claw clips and D-rings, hollow\/plated look, not solid brass dogleash clips",
        "photo 1-6: no creed patch, no COACH wordmark, no horse-and-carriage, no leather hangtag visible",
        "seller states vegan \/ unbranded, consistent with synthetic fast-fashion construction"
    ],
    "missing_information": [
        "photo 1-6: Interior, lining, zipper details, and any interior labels are not shown.",
        "photo 1-6: No close-up of a Coach creed, serial\/style number, or branded hardware is provided; the available exterior views show no such identifier.",
        "photo of emptied interior and lining (no interior shown in any photo)",
        "creed patch \/ interior brand stamp close-up not shown",
        "hardware brand stamps \/ zipper brand not shown",
        "bottom and corner close-up not shown"
    ],
    "authenticity_concerns": [
        "photo 1-6: The synthetic\/vegan construction, generic hardware, and absence of Coach identifiers are inconsistent with a vintage Coach leather handbag; it appears to be an unbranded modern lookalike rather than a Coach product."
    ],
    "possible_model_reasoning": [
        "No Coach model fits: synthetic material, plated cylindrical lock, thin plated strap hardware and edge paint are inconsistent with any vintage Coach classic",
        "Condition appears New\/Like New NWOT per seller and clean white surface in photo 1,2,6, but interior not shown so lining\/odor unknown"
    ],
    "estimated_era": "modern (2000s+), non-Coach",
    "observed_features": {
        "creed_present": false,
        "serial_or_style_number_present": false,
        "coach_wordmark_present": false,
        "turnlock_present": true,
        "hangtag_present": false,
        "creed_text": "not_visible",
        "serial_or_style_number": "not_visible",
        "hardware_description": "photo 1-5: Gold-tone plated clasp, rings, lobster clips, and strap hardware; the central clasp resembles a decorative turnlock but is not a typical vintage Coach geometry. Black-and-white furry charm is attached; it is not a Coach hangtag.",
        "leather_description": "photo 1-6: Smooth, highly uniform white synthetic\/vegan-looking material with black edge piping; genuine leather grain is not visible.",
        "lining_description": "not_visible",
        "strap_construction": "photo 1-5: Detachable adjustable white strap with black edging, punched adjustment holes, and gold-tone clips.",
        "stitching_description": "photo 1-6: Visible regular black machine stitching around the flap, body, and trim; some stitch spacing and edge finishing look mass-produced."
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.0025,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.99,
                "coach_probability": 0.02,
                "vintage_probability": 0.01,
                "authenticity_confidence": 0.02,
                "image_quality_score": 0.91,
                "seller_misidentification_probability": 0.02,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [],
                "negative_evidence": [
                    "photo 1: Seller describes the bag as vegan, and the smooth uniform material appears synthetic rather than vintage glove-tanned leather.",
                    "photo 1: The bag has a generic white flap silhouette and decorative gold-tone clasp, not a recognizable Coach model or classic Coach turnlock.",
                    "photo 2: Hardware and strap attachments appear lightweight\/plated and generic; no Coach wordmark, carriage, creed, or branded hangtag is visible.",
                    "photo 6: The reverse has no visible Coach branding or identifier."
                ],
                "missing_information": [
                    "photo 1-6: Interior, lining, zipper details, and any interior labels are not shown.",
                    "photo 1-6: No close-up of a Coach creed, serial\/style number, or branded hardware is provided; the available exterior views show no such identifier."
                ],
                "authenticity_concerns": [
                    "photo 1-6: The synthetic\/vegan construction, generic hardware, and absence of Coach identifiers are inconsistent with a vintage Coach leather handbag; it appears to be an unbranded modern lookalike rather than a Coach product."
                ],
                "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": true,
                    "hangtag_present": false,
                    "hardware_description": "photo 1-5: Gold-tone plated clasp, rings, lobster clips, and strap hardware; the central clasp resembles a decorative turnlock but is not a typical vintage Coach geometry. Black-and-white furry charm is attached; it is not a Coach hangtag.",
                    "leather_description": "photo 1-6: Smooth, highly uniform white synthetic\/vegan-looking material with black edge piping; genuine leather grain is not visible.",
                    "lining_description": "not_visible",
                    "strap_construction": "photo 1-5: Detachable adjustable white strap with black edging, punched adjustment holes, and gold-tone clips.",
                    "stitching_description": "photo 1-6: Visible regular black machine stitching around the flap, body, and trim; some stitch spacing and edge finishing look mass-produced."
                },
                "possible_model_reasoning": [],
                "confidence": 0.94,
                "recommended_max_bid": 8,
                "estimated_resale_low": 5,
                "estimated_resale_high": 25
            }
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "result": {
                "authenticity_concerns": [],
                "authenticity_confidence": 0.02,
                "coach_probability": 0.02,
                "confidence": 0.88,
                "estimated_era": "modern (2000s+), non-Coach",
                "estimated_resale_high": 15,
                "estimated_resale_low": 5,
                "image_quality_score": 0.65,
                "is_handbag_probability": 0.99,
                "missing_information": [
                    "photo of emptied interior and lining (no interior shown in any photo)",
                    "creed patch \/ interior brand stamp close-up not shown",
                    "hardware brand stamps \/ zipper brand not shown",
                    "bottom and corner close-up not shown"
                ],
                "negative_evidence": [
                    "photo 1,2,4: smooth uniform white synthetic material with black edge paint, not glove-tanned cowhide",
                    "photo 1,2,4: bright gold-tone plated cylindrical twist\/pin lock, not Coach turnlock geometry with wide oval back plate",
                    "photo 1,3,5: thin flat strap with bright plated lobster-claw clips and D-rings, hollow\/plated look, not solid brass dogleash clips",
                    "photo 1-6: no creed patch, no COACH wordmark, no horse-and-carriage, no leather hangtag visible",
                    "seller states vegan \/ unbranded, consistent with synthetic fast-fashion construction"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "bright gold-tone plated cylindrical twist\/pin front lock, D-rings and lobster-claw strap clips; shiny plated finish, not solid brass vintage hardware",
                    "leather_description": "smooth white synthetic vegan material with uniform surface and black edge paint; not glove-tanned leather",
                    "lining_description": "not_visible",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "even white machine stitching around flap edges visible in photo 1,2,4,6",
                    "strap_construction": "thin flat detachable crossbody strap with buckle adjustment and lobster-claw ends, black edge paint",
                    "turnlock_present": true
                },
                "positive_evidence": [],
                "possible_model_reasoning": [
                    "No Coach model fits: synthetic material, plated cylindrical lock, thin plated strap hardware and edge paint are inconsistent with any vintage Coach classic",
                    "Condition appears New\/Like New NWOT per seller and clean white surface in photo 1,2,6, but interior not shown so lining\/odor unknown"
                ],
                "possible_models": [],
                "recommended_max_bid": 8,
                "seller_misidentification_probability": 0.02,
                "vintage_probability": 0.02
            }
        }
    ],
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 18072,
            "output_tokens": 664,
            "total_tokens": 18736,
            "estimated_cost_usd": 0.008822
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 18622,
            "output_tokens": 1415,
            "total_tokens": 20037,
            "estimated_cost_usd": 0.004856
        }
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}