Vintage Coach Hunter

{
    "is_handbag_probability": 0.99,
    "coach_probability": 0.015,
    "vintage_probability": 0.02,
    "authenticity_confidence": 0.015,
    "image_quality_score": 0.79,
    "seller_misidentification_probability": 0.025,
    "confidence": 0.93,
    "recommended_max_bid": 8,
    "estimated_resale_low": 5,
    "estimated_resale_high": 25,
    "possible_models": [],
    "positive_evidence": [],
    "negative_evidence": [
        "photo 1: bag is constructed from woven straw or raffia with braided handles, not Coach's characteristic leather or signature canvas.",
        "photo 2: exterior is entirely woven natural fiber with decorative horizontal bands; no Coach wordmark, horse-and-carriage, creed, hangtag, or leather trim is visible.",
        "photo 3: dark fabric lining is visible, but no Coach label or creed patch is present.",
        "photo 4: reverse shows the same straw construction and no brand identifier.",
        "photo 5: bottom is woven fiber and lacks the leather construction and hardware typically associated with vintage Coach.",
        "photo 6: side construction remains woven straw with no visible Coach branding.",
        "photo 2, photo 4: entire body and handles are woven straw\/natural fiber, not glove-tanned leather",
        "photo 1, photo 3, photo 6: rolled woven straw handles, no leather, no brass hardware, no dogleash clips",
        "photo 1, photo 3, photo 6: dark fabric interior lining visible, not unlined suede",
        "photo 1-6: no creed patch, no COACH wordmark, no horse-and-carriage, no leather hangtag, no turnlock visible"
    ],
    "missing_information": [
        "photo 1-6: no close-up of any interior label or closure hardware, although the visible construction is already inconsistent with a vintage Coach leather handbag.",
        "seller-stated dimensions are referenced but not available as readable measurements in the provided listing data.",
        "No Coach identifiers to request - material alone excludes vintage Coach; no creed, wordmark, or leather details to verify"
    ],
    "authenticity_concerns": [
        "photo 1-6: straw\/raffia construction and fabric lining are inconsistent with the classic vintage Coach leather handbag population.",
        "photo 1-6: no Coach identifier is visible; this appears to be an unbranded woven-fiber tote rather than a replica or misidentified leather Coach bag."
    ],
    "possible_model_reasoning": [
        "No Coach model match: straw basket tote silhouette with woven handles and fabric lining does not correspond to any catalog classic in \u00a74",
        "Material exclusion per \u00a71 and \u00a79: straw\/beach tote is non-leather population with coach_probability \u22640.05 unless Coach identifier visible - none visible",
        "Condition: Like New \/ Mint based on photos; seller states no visible wear or defects, photos 2, 4, 5 show intact weave with no breaks or staining, interior not fully shown"
    ],
    "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": "No metal hardware or Coach-marked hardware is visible in photos 1-6; a dark interior closure area is visible in photo 3 but cannot be identified.",
        "leather_description": "not_visible; the exterior visibly consists of woven natural straw or raffia fiber.",
        "lining_description": "Dark fabric lining is visible along the opening in photos 1 and 3.",
        "strap_construction": "Two pairs of rounded braided straw\/fiber handles are visibly attached to the upper edge in photos 1, 4, and 6.",
        "stitching_description": "Visible braided and woven construction appears generally even; no conventional leather-bag stitching is visible."
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.0012,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.99,
                "coach_probability": 0.01,
                "vintage_probability": 0.02,
                "authenticity_confidence": 0.01,
                "image_quality_score": 0.88,
                "seller_misidentification_probability": 0.03,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [],
                "negative_evidence": [
                    "photo 1: bag is constructed from woven straw or raffia with braided handles, not Coach's characteristic leather or signature canvas.",
                    "photo 2: exterior is entirely woven natural fiber with decorative horizontal bands; no Coach wordmark, horse-and-carriage, creed, hangtag, or leather trim is visible.",
                    "photo 3: dark fabric lining is visible, but no Coach label or creed patch is present.",
                    "photo 4: reverse shows the same straw construction and no brand identifier.",
                    "photo 5: bottom is woven fiber and lacks the leather construction and hardware typically associated with vintage Coach.",
                    "photo 6: side construction remains woven straw with no visible Coach branding."
                ],
                "missing_information": [
                    "photo 1-6: no close-up of any interior label or closure hardware, although the visible construction is already inconsistent with a vintage Coach leather handbag.",
                    "seller-stated dimensions are referenced but not available as readable measurements in the provided listing data."
                ],
                "authenticity_concerns": [
                    "photo 1-6: straw\/raffia construction and fabric lining are inconsistent with the classic vintage Coach leather handbag population.",
                    "photo 1-6: no Coach identifier is visible; this appears to be an unbranded woven-fiber tote rather than a replica or misidentified leather Coach 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": "No metal hardware or Coach-marked hardware is visible in photos 1-6; a dark interior closure area is visible in photo 3 but cannot be identified.",
                    "leather_description": "not_visible; the exterior visibly consists of woven natural straw or raffia fiber.",
                    "lining_description": "Dark fabric lining is visible along the opening in photos 1 and 3.",
                    "strap_construction": "Two pairs of rounded braided straw\/fiber handles are visibly attached to the upper edge in photos 1, 4, and 6.",
                    "stitching_description": "Visible braided and woven construction appears generally even; no conventional leather-bag stitching is visible."
                },
                "possible_model_reasoning": [],
                "confidence": 0.94,
                "recommended_max_bid": 8,
                "estimated_resale_low": 5,
                "estimated_resale_high": 30
            }
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "result": {
                "authenticity_concerns": [],
                "authenticity_confidence": 0.02,
                "coach_probability": 0.02,
                "confidence": 0.92,
                "estimated_era": "modern (2000s+), non-Coach",
                "estimated_resale_high": 20,
                "estimated_resale_low": 5,
                "image_quality_score": 0.7,
                "is_handbag_probability": 0.99,
                "missing_information": [
                    "No Coach identifiers to request - material alone excludes vintage Coach; no creed, wordmark, or leather details to verify"
                ],
                "negative_evidence": [
                    "photo 2, photo 4: entire body and handles are woven straw\/natural fiber, not glove-tanned leather",
                    "photo 1, photo 3, photo 6: rolled woven straw handles, no leather, no brass hardware, no dogleash clips",
                    "photo 1, photo 3, photo 6: dark fabric interior lining visible, not unlined suede",
                    "photo 1-6: no creed patch, no COACH wordmark, no horse-and-carriage, no leather hangtag, no turnlock visible"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "no brass hardware visible; only snap button closure at top mentioned and glimpsed in photo 1; no turnlock, buckles, or zippers",
                    "leather_description": "no leather visible; natural tan woven straw with horizontal woven bands at top and bottom",
                    "lining_description": "dark green fabric lining visible at top edge in photo 1, photo 3, photo 6",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "no leather stitching visible; woven straw construction only",
                    "strap_construction": "dual fixed rolled woven straw handles attached directly to woven body, photo 1, photo 2, photo 4",
                    "turnlock_present": false
                },
                "positive_evidence": [],
                "possible_model_reasoning": [
                    "No Coach model match: straw basket tote silhouette with woven handles and fabric lining does not correspond to any catalog classic in \u00a74",
                    "Material exclusion per \u00a71 and \u00a79: straw\/beach tote is non-leather population with coach_probability \u22640.05 unless Coach identifier visible - none visible",
                    "Condition: Like New \/ Mint based on photos; seller states no visible wear or defects, photos 2, 4, 5 show intact weave with no breaks or staining, interior not fully shown"
                ],
                "possible_models": [],
                "recommended_max_bid": 8,
                "seller_misidentification_probability": 0.02,
                "vintage_probability": 0.02
            }
        }
    ],
    "_usage": [
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            "model_name": "openai:gpt-5.6-luna",
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            "output_tokens": 670,
            "total_tokens": 18794,
            "estimated_cost_usd": 0.008858
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 18675,
            "output_tokens": 1078,
            "total_tokens": 19753,
            "estimated_cost_usd": 0.004597
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}