Vintage Coach Hunter

{
    "is_handbag_probability": 0.985,
    "coach_probability": 0.02,
    "vintage_probability": 0.71,
    "authenticity_confidence": 0.02,
    "image_quality_score": 0.805,
    "seller_misidentification_probability": 0.02,
    "confidence": 0.895,
    "recommended_max_bid": 11,
    "estimated_resale_low": 15,
    "estimated_resale_high": 40,
    "possible_models": [],
    "positive_evidence": [],
    "negative_evidence": [
        "photo 1: glossy red vinyl exterior is inconsistent with classic vintage Coach glove-tanned leather.",
        "photo 2: black synthetic-looking lining and zippered interior are visible; no Coach creed patch or recognizable Coach construction is shown.",
        "photo 3: visible gold-tone clasp is a decorative closure, not a recognizable Coach turnlock.",
        "photo 4: stitching and edge finishing appear irregular, with exposed or frayed thread.",
        "photo 5: exterior surface shows coating wear and flaws consistent with vinyl rather than full-grain leather.",
        "photo 6: no Coach wordmark, carriage, hangtag, or other brand identifier is visible.",
        "photo 1: cherry-red high-gloss vinyl body, seller states vinyl (not patent leather) - Coach vintage is glove-tanned leather, never vinyl",
        "photo 2-3: black fabric lining with interior zip pocket - vintage Coach classics are unlined suede-back glove-tanned, not fabric-lined",
        "photo 1-2: half-moon cut-out top-handle silhouette with kisslock \/ squeeze clasp - no catalog Coach silhouette, no turnlock",
        "photo 1-6: no creed patch, no COACH wordmark, no horse-and-carriage, no leather hangtag visible in any view",
        "photo 4-6: contrast light stitching with loose threads and edge wear - not tight matched-tone Coach stitching"
    ],
    "missing_information": [
        "photo 1-6: no maker label or interior brand tag is shown; a full search of all interior compartments would be useful.",
        "photo 2-3: zipper-pull and clasp close-ups are not sufficient to identify a maker.",
        "photo 1-6: seller-stated 1960s date is not independently verifiable from the photos.",
        "No creed patch visible in any photo - interior fully shown with no stamped leather patch (photos 2-3)",
        "No COACH wordmark, hangtag, or hardware stamps visible",
        "No bottom view and no scale beyond hand"
    ],
    "authenticity_concerns": [
        "photo 1-6: the vinyl material, synthetic lining, and generic mod silhouette strongly indicate a non-Coach lookalike or unbranded vintage purse rather than Coach."
    ],
    "possible_model_reasoning": [
        "The structured top-handle frame and bright vinyl support the seller's general description of a mid-century\/mod purse, but do not correspond to a recognizable Coach model.",
        "No Coach identifier or Coach-specific leather and hardware construction is visible.",
        "Condition: Good; exterior coating wear, flaws, and seam\/thread damage are visible in photos 4-6; interior appears usable but has visible wear in photo 3.",
        "No Coach identifier present in photos or seller text; seller states No maker or tag",
        "Material (vinyl), fabric lining, kisslock frame, and half-moon mod silhouette are inconsistent with any 1960s-1990s Coach leather construction and with Cashin-era cues",
        "Therefore no Coach model fits; rated <=0.10 so no models listed",
        "Condition: Good; exterior minor flaws and seam thread wear (photos 4-6), interior clean with slight hinge wear per seller"
    ],
    "estimated_era": "unknown",
    "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 2-3: small gold-tone decorative clasp; no recognizable Coach turnlock, engraving, or branded hardware visible.",
        "leather_description": "photo 1, 4-6: glossy cherry-red vinyl or coated synthetic material, with surface scuffs and coating wear; not leather.",
        "lining_description": "photo 2-3: black fabric or synthetic lining with one interior zip pocket; slight wear is visible around the opening.",
        "strap_construction": "photo 1-2: integrated rigid top handle; no detachable or adjustable shoulder strap visible.",
        "stitching_description": "photo 4-6: contrasting light stitching is visible but irregular in places, with fraying or exposed thread near seams and corners."
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.0005,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.98,
                "coach_probability": 0.02,
                "vintage_probability": 0.72,
                "authenticity_confidence": 0.02,
                "image_quality_score": 0.86,
                "seller_misidentification_probability": 0.02,
                "estimated_era": "unknown",
                "possible_models": [],
                "positive_evidence": [],
                "negative_evidence": [
                    "photo 1: glossy red vinyl exterior is inconsistent with classic vintage Coach glove-tanned leather.",
                    "photo 2: black synthetic-looking lining and zippered interior are visible; no Coach creed patch or recognizable Coach construction is shown.",
                    "photo 3: visible gold-tone clasp is a decorative closure, not a recognizable Coach turnlock.",
                    "photo 4: stitching and edge finishing appear irregular, with exposed or frayed thread.",
                    "photo 5: exterior surface shows coating wear and flaws consistent with vinyl rather than full-grain leather.",
                    "photo 6: no Coach wordmark, carriage, hangtag, or other brand identifier is visible."
                ],
                "missing_information": [
                    "photo 1-6: no maker label or interior brand tag is shown; a full search of all interior compartments would be useful.",
                    "photo 2-3: zipper-pull and clasp close-ups are not sufficient to identify a maker.",
                    "photo 1-6: seller-stated 1960s date is not independently verifiable from the photos."
                ],
                "authenticity_concerns": [
                    "photo 1-6: the vinyl material, synthetic lining, and generic mod silhouette strongly indicate a non-Coach lookalike or unbranded vintage purse rather than Coach."
                ],
                "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 2-3: small gold-tone decorative clasp; no recognizable Coach turnlock, engraving, or branded hardware visible.",
                    "leather_description": "photo 1, 4-6: glossy cherry-red vinyl or coated synthetic material, with surface scuffs and coating wear; not leather.",
                    "lining_description": "photo 2-3: black fabric or synthetic lining with one interior zip pocket; slight wear is visible around the opening.",
                    "strap_construction": "photo 1-2: integrated rigid top handle; no detachable or adjustable shoulder strap visible.",
                    "stitching_description": "photo 4-6: contrasting light stitching is visible but irregular in places, with fraying or exposed thread near seams and corners."
                },
                "possible_model_reasoning": [
                    "The structured top-handle frame and bright vinyl support the seller's general description of a mid-century\/mod purse, but do not correspond to a recognizable Coach model.",
                    "No Coach identifier or Coach-specific leather and hardware construction is visible.",
                    "Condition: Good; exterior coating wear, flaws, and seam\/thread damage are visible in photos 4-6; interior appears usable but has visible wear in photo 3."
                ],
                "confidence": 0.91,
                "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": 0.88,
                "estimated_era": "unknown",
                "estimated_resale_high": 35,
                "estimated_resale_low": 15,
                "image_quality_score": 0.75,
                "is_handbag_probability": 0.99,
                "missing_information": [
                    "No creed patch visible in any photo - interior fully shown with no stamped leather patch (photos 2-3)",
                    "No COACH wordmark, hangtag, or hardware stamps visible",
                    "No bottom view and no scale beyond hand"
                ],
                "negative_evidence": [
                    "photo 1: cherry-red high-gloss vinyl body, seller states vinyl (not patent leather) - Coach vintage is glove-tanned leather, never vinyl",
                    "photo 2-3: black fabric lining with interior zip pocket - vintage Coach classics are unlined suede-back glove-tanned, not fabric-lined",
                    "photo 1-2: half-moon cut-out top-handle silhouette with kisslock \/ squeeze clasp - no catalog Coach silhouette, no turnlock",
                    "photo 1-6: no creed patch, no COACH wordmark, no horse-and-carriage, no leather hangtag visible in any view",
                    "photo 4-6: contrast light stitching with loose threads and edge wear - not tight matched-tone Coach stitching"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "gold-tone kisslock \/ squeeze clasp at top frame (photos 2-3), small gold-tone zipper for interior pocket; no solid brass turnlock, no dogleash clips, no COACH stamps visible",
                    "leather_description": "cherry-red glossy vinyl, not leather; high shine with surface scuffs and seam wear visible in photos 4-6",
                    "lining_description": "black fabric lining with one zippered interior pocket (photo 3); slight wear at hinges per seller",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "light contrast stitching around perimeter and handles; loose \/ broken threads and seam stress at edges in closeups photos 4-6",
                    "strap_construction": "no detachable strap; rigid integrated top handles formed by cut-out in body (photos 1-2)",
                    "turnlock_present": false
                },
                "positive_evidence": [],
                "possible_model_reasoning": [
                    "No Coach identifier present in photos or seller text; seller states No maker or tag",
                    "Material (vinyl), fabric lining, kisslock frame, and half-moon mod silhouette are inconsistent with any 1960s-1990s Coach leather construction and with Cashin-era cues",
                    "Therefore no Coach model fits; rated <=0.10 so no models listed",
                    "Condition: Good; exterior minor flaws and seam thread wear (photos 4-6), interior clean with slight hinge wear per seller"
                ],
                "possible_models": [],
                "recommended_max_bid": 12,
                "seller_misidentification_probability": 0.02,
                "vintage_probability": 0.7
            }
        }
    ],
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
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            "output_tokens": 818,
            "total_tokens": 18579,
            "estimated_cost_usd": 0.009068
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 18097,
            "output_tokens": 1382,
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}