Vintage Coach Hunter

{
    "is_handbag_probability": 0.99,
    "coach_probability": 0.025,
    "vintage_probability": 0.265,
    "authenticity_confidence": 0.025,
    "image_quality_score": 0.78,
    "seller_misidentification_probability": 0.03,
    "confidence": 0.865,
    "recommended_max_bid": 12,
    "estimated_resale_low": 12.5,
    "estimated_resale_high": 35,
    "possible_models": [],
    "positive_evidence": [],
    "negative_evidence": [
        "photo 1: the bag is primarily a densely woven geometric tapestry textile with synthetic-looking green zipper trim, unlike the glove-tanned leather construction typical of vintage Coach classics.",
        "photo 1: no visible Coach wordmark, horse-and-carriage, leather hangtag, or creed patch.",
        "photo 2: the bag has a top zipper and tote handles rather than a recognizable vintage Coach turnlock silhouette.",
        "photo 3: the close-up shows a geometric textile pattern, not Coach Signature C canvas or a Coach identifier.",
        "photo 4: the handle attachment uses textile webbing, leather tabs, and dark rivets; no Coach-marked hardware is visible.",
        "photo 7: the visible interior appears dark and fabric-lined, with no readable Coach creed or style tag.",
        "photo 1, photo 2: body is woven Aztec\/tapestry fabric with leather-like bottom, not unlined glove-tanned cowhide",
        "photo 1, photo 5: closure is black toggle with cord loop, not Coach brass turnlock geometry",
        "photo 4: handles attach via woven webbing tabs with dark steel rivets, not solid brass D-rings\/dogleash clips",
        "photo 1-6: no creed patch, no COACH wordmark, no horse-and-carriage, no leather hangtag visible"
    ],
    "missing_information": [
        "photo 7: a fully illuminated interior, including every wall, pocket, seam, and fabric tag, would confirm whether any brand label is present.",
        "photo 1: bottom, corners, and reverse-side photos are absent.",
        "photo 2: zipper-pull and hardware close-ups are insufficient to identify a maker's mark.",
        "photo 6: interior is dark\/shadowed - lining material, pockets and any brand\/creed patch not shown",
        "photo 1-2: no bottom\/corner wear view and no clear zipper brand view",
        "photo 4-5: no COACH wordmark, creed patch, or hangtag visible in any view - request interior wall close-up to confirm absence"
    ],
    "authenticity_concerns": [
        "photo 1: the textile-and-leather tote construction does not match the vintage Coach leather handbag population or a recognizable Coach signature-canvas pattern.",
        "photo 7: no Coach identifier is visible despite the interior being partially shown; this is consistent with an unbranded or non-Coach bag."
    ],
    "possible_model_reasoning": [
        "The silhouette is a generic zip-top tapestry tote and does not closely match the listed vintage Coach catalog models.",
        "The seller's 'vintage' and 'estate' wording is unverified and provides no brand evidence.",
        "Condition appears Good to Very Good from the visible photos: textile and leather appear intact, but the interior, bottom, corners, and odor are not fully documented.",
        "No Coach identifier visible in any of 6 photos - no creed, serial, wordmark, hangtag, or solid-brass turnlock",
        "Construction and materials inconsistent with vintage Coach classics: tapestry body, webbing anchors, toggle closure, dark hardware vs unlined glove-tanned + solid brass",
        "Silhouette is generic Aztec tapestry tote with front slip pocket, no match in Coach catalog; per skill never list Coach model at <=0.10",
        "Condition: Very Good appearance; tapestry looks clean (photo 3), handles intact (photo 4), bottom shows light wear only (photo 1-2), interior not gradable due to shadow (photo 6)"
    ],
    "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: top zipper with dark zipper trim; leather handle tabs with dark round rivets; no turning lock or visible brand engraving.",
        "leather_description": "photo 1: smooth tan leather-like lower panel and narrow rounded handles; most of the body is woven tapestry textile. Exact leather type is not determinable.",
        "lining_description": "photo 7: dark fabric-looking interior is partially visible; full lining and labels cannot be assessed.",
        "strap_construction": "photo 1: two fixed rounded tan handles attached through textile webbing and leather tabs; no detachable shoulder strap is visible.",
        "stitching_description": "photo 4: visible handle stitching appears regular and light-colored; overall seam construction is visible but not sufficient for brand attribution."
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.0074,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.99,
                "coach_probability": 0.03,
                "vintage_probability": 0.08,
                "authenticity_confidence": 0.03,
                "image_quality_score": 0.91,
                "seller_misidentification_probability": 0.04,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [],
                "negative_evidence": [
                    "photo 1: the bag is primarily a densely woven geometric tapestry textile with synthetic-looking green zipper trim, unlike the glove-tanned leather construction typical of vintage Coach classics.",
                    "photo 1: no visible Coach wordmark, horse-and-carriage, leather hangtag, or creed patch.",
                    "photo 2: the bag has a top zipper and tote handles rather than a recognizable vintage Coach turnlock silhouette.",
                    "photo 3: the close-up shows a geometric textile pattern, not Coach Signature C canvas or a Coach identifier.",
                    "photo 4: the handle attachment uses textile webbing, leather tabs, and dark rivets; no Coach-marked hardware is visible.",
                    "photo 7: the visible interior appears dark and fabric-lined, with no readable Coach creed or style tag."
                ],
                "missing_information": [
                    "photo 7: a fully illuminated interior, including every wall, pocket, seam, and fabric tag, would confirm whether any brand label is present.",
                    "photo 1: bottom, corners, and reverse-side photos are absent.",
                    "photo 2: zipper-pull and hardware close-ups are insufficient to identify a maker's mark."
                ],
                "authenticity_concerns": [
                    "photo 1: the textile-and-leather tote construction does not match the vintage Coach leather handbag population or a recognizable Coach signature-canvas pattern.",
                    "photo 7: no Coach identifier is visible despite the interior being partially shown; this is consistent with an unbranded or non-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": "photo 1: top zipper with dark zipper trim; leather handle tabs with dark round rivets; no turning lock or visible brand engraving.",
                    "leather_description": "photo 1: smooth tan leather-like lower panel and narrow rounded handles; most of the body is woven tapestry textile. Exact leather type is not determinable.",
                    "lining_description": "photo 7: dark fabric-looking interior is partially visible; full lining and labels cannot be assessed.",
                    "strap_construction": "photo 1: two fixed rounded tan handles attached through textile webbing and leather tabs; no detachable shoulder strap is visible.",
                    "stitching_description": "photo 4: visible handle stitching appears regular and light-colored; overall seam construction is visible but not sufficient for brand attribution."
                },
                "possible_model_reasoning": [
                    "The silhouette is a generic zip-top tapestry tote and does not closely match the listed vintage Coach catalog models.",
                    "The seller's 'vintage' and 'estate' wording is unverified and provides no brand evidence.",
                    "Condition appears Good to Very Good from the visible photos: textile and leather appear intact, but the interior, bottom, corners, and odor are not fully documented."
                ],
                "confidence": 0.88,
                "recommended_max_bid": 12,
                "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": 0.85,
                "estimated_era": "modern (2000s+), non-Coach",
                "estimated_resale_high": 25,
                "estimated_resale_low": 10,
                "image_quality_score": 0.65,
                "is_handbag_probability": 0.99,
                "missing_information": [
                    "photo 6: interior is dark\/shadowed - lining material, pockets and any brand\/creed patch not shown",
                    "photo 1-2: no bottom\/corner wear view and no clear zipper brand view",
                    "photo 4-5: no COACH wordmark, creed patch, or hangtag visible in any view - request interior wall close-up to confirm absence"
                ],
                "negative_evidence": [
                    "photo 1, photo 2: body is woven Aztec\/tapestry fabric with leather-like bottom, not unlined glove-tanned cowhide",
                    "photo 1, photo 5: closure is black toggle with cord loop, not Coach brass turnlock geometry",
                    "photo 4: handles attach via woven webbing tabs with dark steel rivets, not solid brass D-rings\/dogleash clips",
                    "photo 1-6: no creed patch, no COACH wordmark, no horse-and-carriage, no leather hangtag visible"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "dark-tone rivets on handle tabs (photo 4), black plastic\/wood toggle closure (photo 5); no brass turnlock, no stamped zipper pull visible",
                    "leather_description": "tan rolled top handles and off-white smooth bottom panel, appears coated leather\/vinyl trim; main body is woven tapestry, not glove-tanned leather",
                    "lining_description": "not_visible - photo 6 shows dark interior in shadow, material and pockets not determinable",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "light contrast stitching along rolled handles (photo 3, photo 5); body weave visible, no Coach-matched tight leather stitching observed",
                    "strap_construction": "short double top handles, rolled leather riveted to fabric webbing anchor tabs (photo 4)",
                    "turnlock_present": false
                },
                "positive_evidence": [],
                "possible_model_reasoning": [
                    "No Coach identifier visible in any of 6 photos - no creed, serial, wordmark, hangtag, or solid-brass turnlock",
                    "Construction and materials inconsistent with vintage Coach classics: tapestry body, webbing anchors, toggle closure, dark hardware vs unlined glove-tanned + solid brass",
                    "Silhouette is generic Aztec tapestry tote with front slip pocket, no match in Coach catalog; per skill never list Coach model at <=0.10",
                    "Condition: Very Good appearance; tapestry looks clean (photo 3), handles intact (photo 4), bottom shows light wear only (photo 1-2), interior not gradable due to shadow (photo 6)"
                ],
                "possible_models": [],
                "recommended_max_bid": 12,
                "seller_misidentification_probability": 0.02,
                "vintage_probability": 0.45
            }
        }
    ],
    "_usage": [
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            "estimated_cost_usd": 0.015254
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            "model_name": "meta:muse-spark-1.3-contributor",
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}