Vintage Coach Hunter

{
    "is_handbag_probability": 0.94,
    "coach_probability": 0.02,
    "vintage_probability": 0.025,
    "authenticity_confidence": 0.02,
    "image_quality_score": 0.615,
    "seller_misidentification_probability": 0.035,
    "confidence": 0.805,
    "recommended_max_bid": 11,
    "estimated_resale_low": 10,
    "estimated_resale_high": 35,
    "possible_models": [],
    "positive_evidence": [],
    "negative_evidence": [
        "photo 2: bag has a prominent interlocking-C-style clasp and heavy chain, not a recognizable Coach design.",
        "photo 3: bag has a rectangular turn-clasp and contrasting strap construction, with no visible Coach branding or vintage Coach identifiers.",
        "photo 4: bag has a Kelly-style silhouette and polished clasp hardware rather than a documented Coach silhouette.",
        "photo 5: bag has a pebbled leather-look exterior, white contrast stitching, and a non-Coach-looking rectangular clasp.",
        "photo 6: bag has another Kelly-style silhouette with a polished clasp and no visible Coach identifiers.",
        "photos 2\u20136: the listing appears to show multiple modern bags, while the title describes only one bag; Coach creed, serial, hangtag, or wordmark views are absent.",
        "photo 1: shows two wristwatches, not a handbag, no Coach identifiers",
        "photo 2: quilted iridescent chain-strap flap bag with interlocked-C-like clasp imitating Chanel Boy, not a Coach silhouette, hardware, or leather",
        "photo 3, photo 4, photo 5, photo 6: Kelly-style turn-bar bags with contrast stitching and top handles, Hermes-style silhouette never made by Coach",
        "All bags: no creed patch, no COACH wordmark, no horse-and-carriage, no leather hangtag, no solid-brass vintage turnlock visible",
        "All bags: modern silver\/gold-tone plated hardware and chain straps, pebbled\/ smooth coated appearance inconsistent with vintage glove-tanned cowhide"
    ],
    "missing_information": [
        "photo 2: clear interior\/back-wall photo showing whether any creed patch or fabric tag is present.",
        "photos 2\u20136: confirmation of which specific bag is being sold; the images show several different handbags.",
        "close-up photos of all hardware, zipper pulls, labels, and any embossed branding.",
        "photo 2 or 3: full bottom, side, strap, and interior views for the selected bag.",
        "No interior, creed patch, lining, or hardware stamp photos to assess Coach identifiers",
        "No bottom, side, or close-up views of leather grain, stitching, or zipper brand",
        "No photo clearly matching title 'Suede Chain Strap Zip Shoulder Bag Black Small Iridescent' - listing appears to show multiple different items including watches"
    ],
    "authenticity_concerns": [
        "photo 2: interlocking-C-style hardware is a lookalike-brand cue, not Coach evidence.",
        "photos 3\u20136: the silhouettes and clasp hardware resemble modern designer-inspired or replica bags rather than cataloged vintage Coach construction.",
        "photos 2\u20136: no Coach identifier is visible, so Coach manufacture cannot be supported from the photographs."
    ],
    "possible_model_reasoning": [
        "No Coach model is a reasonable match: the visible bags use modern flap, chain, and Kelly-style constructions unlike the cataloged vintage Coach silhouettes.",
        "Estimated condition cannot be reliably graded because interiors, bottoms, and the exact item for sale are unclear; exterior photos suggest approximately Good to Very Good cosmetic condition, but material and functional condition are unknown.",
        "No Coach model fits: silhouettes are Chanel Boy-type quilted chain flap (photo 2) and Hermes Kelly-type top-handle bags (photos 3-6), neither in Coach catalog; no creed, wordmark, or glove-tanned brass construction to support any Coach style",
        "Condition: not graded for Coach; bags appear unused\/new-style display with price overlays ($120-$370 USD) but condition of edges, corners, interior cannot be verified from these views"
    ],
    "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": "photos 2\u20136: polished silver-tone and gold-tone rectangular clasp hardware; photo 2 also shows a heavy chain and interlocking-C-style clasp. No Coach-stamped hardware is visible.",
        "leather_description": "photos 2\u20136: smooth or pebbled leather-look exteriors are visible; material cannot be confirmed as genuine leather. Photo 2 is described by the seller as suede, but suede is not clearly verifiable from the image.",
        "lining_description": "not_visible",
        "strap_construction": "photos 2, 5, and 6: chain and\/or narrow adjustable shoulder straps with small metal attachments; photo 4: short top handle. Construction is not characteristic of the reviewed vintage Coach models.",
        "stitching_description": "photos 3\u20136: visible contrasting or tonal machine stitching appears generally even, but close stress-point inspection is unavailable."
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.0046,
    "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": 0.04,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [],
                "negative_evidence": [
                    "photo 2: bag has a prominent interlocking-C-style clasp and heavy chain, not a recognizable Coach design.",
                    "photo 3: bag has a rectangular turn-clasp and contrasting strap construction, with no visible Coach branding or vintage Coach identifiers.",
                    "photo 4: bag has a Kelly-style silhouette and polished clasp hardware rather than a documented Coach silhouette.",
                    "photo 5: bag has a pebbled leather-look exterior, white contrast stitching, and a non-Coach-looking rectangular clasp.",
                    "photo 6: bag has another Kelly-style silhouette with a polished clasp and no visible Coach identifiers.",
                    "photos 2\u20136: the listing appears to show multiple modern bags, while the title describes only one bag; Coach creed, serial, hangtag, or wordmark views are absent."
                ],
                "missing_information": [
                    "photo 2: clear interior\/back-wall photo showing whether any creed patch or fabric tag is present.",
                    "photos 2\u20136: confirmation of which specific bag is being sold; the images show several different handbags.",
                    "close-up photos of all hardware, zipper pulls, labels, and any embossed branding.",
                    "photo 2 or 3: full bottom, side, strap, and interior views for the selected bag."
                ],
                "authenticity_concerns": [
                    "photo 2: interlocking-C-style hardware is a lookalike-brand cue, not Coach evidence.",
                    "photos 3\u20136: the silhouettes and clasp hardware resemble modern designer-inspired or replica bags rather than cataloged vintage Coach construction.",
                    "photos 2\u20136: no Coach identifier is visible, so Coach manufacture cannot be supported from the photographs."
                ],
                "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": "photos 2\u20136: polished silver-tone and gold-tone rectangular clasp hardware; photo 2 also shows a heavy chain and interlocking-C-style clasp. No Coach-stamped hardware is visible.",
                    "leather_description": "photos 2\u20136: smooth or pebbled leather-look exteriors are visible; material cannot be confirmed as genuine leather. Photo 2 is described by the seller as suede, but suede is not clearly verifiable from the image.",
                    "lining_description": "not_visible",
                    "strap_construction": "photos 2, 5, and 6: chain and\/or narrow adjustable shoulder straps with small metal attachments; photo 4: short top handle. Construction is not characteristic of the reviewed vintage Coach models.",
                    "stitching_description": "photos 3\u20136: visible contrasting or tonal machine stitching appears generally even, but close stress-point inspection is unavailable."
                },
                "possible_model_reasoning": [
                    "No Coach model is a reasonable match: the visible bags use modern flap, chain, and Kelly-style constructions unlike the cataloged vintage Coach silhouettes.",
                    "Estimated condition cannot be reliably graded because interiors, bottoms, and the exact item for sale are unclear; exterior photos suggest approximately Good to Very Good cosmetic condition, but material and functional condition are unknown."
                ],
                "confidence": 0.86,
                "recommended_max_bid": 10,
                "estimated_resale_low": 10,
                "estimated_resale_high": 40
            }
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "result": {
                "authenticity_concerns": [],
                "authenticity_confidence": 0.02,
                "coach_probability": 0.02,
                "confidence": 0.75,
                "estimated_era": "modern (2000s+), non-Coach",
                "estimated_resale_high": 30,
                "estimated_resale_low": 10,
                "image_quality_score": 0.45,
                "is_handbag_probability": 0.9,
                "missing_information": [
                    "No interior, creed patch, lining, or hardware stamp photos to assess Coach identifiers",
                    "No bottom, side, or close-up views of leather grain, stitching, or zipper brand",
                    "No photo clearly matching title 'Suede Chain Strap Zip Shoulder Bag Black Small Iridescent' - listing appears to show multiple different items including watches"
                ],
                "negative_evidence": [
                    "photo 1: shows two wristwatches, not a handbag, no Coach identifiers",
                    "photo 2: quilted iridescent chain-strap flap bag with interlocked-C-like clasp imitating Chanel Boy, not a Coach silhouette, hardware, or leather",
                    "photo 3, photo 4, photo 5, photo 6: Kelly-style turn-bar bags with contrast stitching and top handles, Hermes-style silhouette never made by Coach",
                    "All bags: no creed patch, no COACH wordmark, no horse-and-carriage, no leather hangtag, no solid-brass vintage turnlock visible",
                    "All bags: modern silver\/gold-tone plated hardware and chain straps, pebbled\/ smooth coated appearance inconsistent with vintage glove-tanned cowhide"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "photo 2: chunky silver-tone chain shoulder strap plus leather strap, CC-like flap clasp; photos 3-6: silver\/gold-tone Kelly-style turn-bar closures, top handles; no solid brass vintage hardware visible",
                    "leather_description": "photo 2: light purple iridescent quilted material; photos 3-6: smooth and cross-grain embossed solid-color material in cream\/white\/grey\/taupe; grain and finish do not read as vintage glove-tanned cowhide",
                    "lining_description": "not_visible",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "photos 3-6: visible light contrast stitching around edges and sangles; photo 2: quilted chevron stitching; no tight tone-matched vintage Coach stitching observed",
                    "strap_construction": "photo 2: chain plus flat leather shoulder strap; photos 3-6: short top handles, one with detachable cord strap; no buckle-adjustable brass-slide or dogleash-clip Coach straps",
                    "turnlock_present": true
                },
                "positive_evidence": [],
                "possible_model_reasoning": [
                    "No Coach model fits: silhouettes are Chanel Boy-type quilted chain flap (photo 2) and Hermes Kelly-type top-handle bags (photos 3-6), neither in Coach catalog; no creed, wordmark, or glove-tanned brass construction to support any Coach style",
                    "Condition: not graded for Coach; bags appear unused\/new-style display with price overlays ($120-$370 USD) but condition of edges, corners, interior cannot be verified from these views"
                ],
                "possible_models": [],
                "recommended_max_bid": 12,
                "seller_misidentification_probability": 0.03,
                "vintage_probability": 0.02
            }
        }
    ],
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            "output_tokens": 944,
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            "estimated_cost_usd": 0.010215
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
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}