Vintage Coach Hunter

{
    "is_handbag_probability": 0.965,
    "coach_probability": 0.02,
    "vintage_probability": 0.03,
    "authenticity_confidence": 0.02,
    "image_quality_score": 0.69,
    "seller_misidentification_probability": 0.025,
    "confidence": 0.88,
    "recommended_max_bid": 9,
    "estimated_resale_low": 12.5,
    "estimated_resale_high": 35,
    "possible_models": [],
    "positive_evidence": [
        "photo 1: clearly a functional round crossbody handbag with a closure, strap, and interior compartment",
        "photo 1: brown leather-looking strap is visible"
    ],
    "negative_evidence": [
        "photo 1: body is handwoven rattan rather than Coach's typical leather or documented signature canvas",
        "photo 1: fabric-lined interior is visible, with no creed patch, Coach wordmark, carriage, or hangtag",
        "photo 2: exterior is a generic circular woven construction with no visible Coach branding",
        "seller description: seller identifies it as unbranded and describes rattan construction; this is consistent with the photos but is not authentication evidence",
        "photo 1, photo 2: body is handwoven round rattan\/straw, not glove-tanned leather",
        "photo 1: fabric interior lining with button snap closure, not unlined suede interior with creed patch",
        "photo 1, photo 2: no turnlock, no creed patch, no COACH wordmark, no hangtag, no solid-brass Coach hardware",
        "photo 2: round woven disc silhouette with thin leather strap tabs has no match in vintage Coach catalog"
    ],
    "missing_information": [
        "photo 1: no close-up of the strap attachment hardware or closure hardware",
        "photo 2: no bottom, side, or detailed strap-condition photo",
        "no readable maker label or interior brand tag is shown",
        "No Coach identifiers visible in provided views; no further Coach-specific photos would change material assessment"
    ],
    "authenticity_concerns": [
        "photo 1: rattan construction and fabric lining are inconsistent with the classic vintage Coach leather handbag population",
        "photo 1: no Coach identifier is visible; this appears to be a generic rattan bag rather than a Coach product"
    ],
    "possible_model_reasoning": [
        "The round woven rattan silhouette and button closure do not correspond to a likely vintage Coach leather model; no Coach model is proposed.",
        "photo 1: visible fabric lining and rattan body support a modern or non-Coach classification.",
        "Condition: Very Good based on the provided photos; no obvious wear is visible, but the bottom, strap attachments, and full interior are not sufficiently documented.",
        "Round woven rattan crossbody with snap tab and fabric lining does not match any Coach classic glove-tanned style (City, Willis, Court, Station, Dinky, etc.)",
        "Straw\/rattan, fabric lining and snap closure are exclusionary for vintage Coach per triage; coach_probability capped <=0.05",
        "Condition: Like New to Excellent per seller 'no visible wear'; photo 1 interior clean, photo 2 weave intact, strap appears intact"
    ],
    "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: small round button-style closure is visible; no Coach-marked hardware is visible",
        "leather_description": "photo 1: woven natural-brown rattan body; brown leather-looking strap and small closure tab are visible",
        "lining_description": "photo 1: brown fabric or textile lining is visible",
        "strap_construction": "photo 1: narrow brown strap appears attached at the sides; detailed attachment construction is not visible",
        "stitching_description": "photo 1: woven construction and lining seams are visible, but stitching quality cannot be assessed closely"
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.0013,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.98,
                "coach_probability": 0.02,
                "vintage_probability": 0.03,
                "authenticity_confidence": 0.02,
                "image_quality_score": 0.78,
                "seller_misidentification_probability": 0.03,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [
                    "photo 1: clearly a functional round crossbody handbag with a closure, strap, and interior compartment",
                    "photo 1: brown leather-looking strap is visible"
                ],
                "negative_evidence": [
                    "photo 1: body is handwoven rattan rather than Coach's typical leather or documented signature canvas",
                    "photo 1: fabric-lined interior is visible, with no creed patch, Coach wordmark, carriage, or hangtag",
                    "photo 2: exterior is a generic circular woven construction with no visible Coach branding",
                    "seller description: seller identifies it as unbranded and describes rattan construction; this is consistent with the photos but is not authentication evidence"
                ],
                "missing_information": [
                    "photo 1: no close-up of the strap attachment hardware or closure hardware",
                    "photo 2: no bottom, side, or detailed strap-condition photo",
                    "no readable maker label or interior brand tag is shown"
                ],
                "authenticity_concerns": [
                    "photo 1: rattan construction and fabric lining are inconsistent with the classic vintage Coach leather handbag population",
                    "photo 1: no Coach identifier is visible; this appears to be a generic rattan bag 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": false,
                    "hangtag_present": false,
                    "hardware_description": "photo 1: small round button-style closure is visible; no Coach-marked hardware is visible",
                    "leather_description": "photo 1: woven natural-brown rattan body; brown leather-looking strap and small closure tab are visible",
                    "lining_description": "photo 1: brown fabric or textile lining is visible",
                    "strap_construction": "photo 1: narrow brown strap appears attached at the sides; detailed attachment construction is not visible",
                    "stitching_description": "photo 1: woven construction and lining seams are visible, but stitching quality cannot be assessed closely"
                },
                "possible_model_reasoning": [
                    "The round woven rattan silhouette and button closure do not correspond to a likely vintage Coach leather model; no Coach model is proposed.",
                    "photo 1: visible fabric lining and rattan body support a modern or non-Coach classification.",
                    "Condition: Very Good based on the provided photos; no obvious wear is visible, but the bottom, strap attachments, and full interior are not sufficiently documented."
                ],
                "confidence": 0.86,
                "recommended_max_bid": 10,
                "estimated_resale_low": 15,
                "estimated_resale_high": 45
            }
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "result": {
                "authenticity_concerns": [],
                "authenticity_confidence": 0.02,
                "coach_probability": 0.02,
                "confidence": 0.9,
                "estimated_era": "modern (2000s+), non-Coach",
                "estimated_resale_high": 25,
                "estimated_resale_low": 10,
                "image_quality_score": 0.6,
                "is_handbag_probability": 0.95,
                "missing_information": [
                    "No Coach identifiers visible in provided views; no further Coach-specific photos would change material assessment"
                ],
                "negative_evidence": [
                    "photo 1, photo 2: body is handwoven round rattan\/straw, not glove-tanned leather",
                    "photo 1: fabric interior lining with button snap closure, not unlined suede interior with creed patch",
                    "photo 1, photo 2: no turnlock, no creed patch, no COACH wordmark, no hangtag, no solid-brass Coach hardware",
                    "photo 2: round woven disc silhouette with thin leather strap tabs has no match in vintage Coach catalog"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "small brass-tone button\/snap stud on leather tab (photo 1); no turnlock, no brass Coach hardware visible",
                    "leather_description": "body is woven rattan\/straw, not leather; only small brown leather tabs and shoulder strap visible (photo 1)",
                    "lining_description": "rust\/brown fabric lining visible inside round compartment (photo 1)",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "not_visible",
                    "strap_construction": "thin brown leather crossbody shoulder strap attached to rattan body (photo 1, photo 2)",
                    "turnlock_present": false
                },
                "positive_evidence": [],
                "possible_model_reasoning": [
                    "Round woven rattan crossbody with snap tab and fabric lining does not match any Coach classic glove-tanned style (City, Willis, Court, Station, Dinky, etc.)",
                    "Straw\/rattan, fabric lining and snap closure are exclusionary for vintage Coach per triage; coach_probability capped <=0.05",
                    "Condition: Like New to Excellent per seller 'no visible wear'; photo 1 interior clean, photo 2 weave intact, strap appears intact"
                ],
                "possible_models": [],
                "recommended_max_bid": 8,
                "seller_misidentification_probability": 0.02,
                "vintage_probability": 0.03
            }
        }
    ],
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            "model_name": "meta:muse-spark-1.3-contributor",
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}