Vintage Coach Hunter

{
    "is_handbag_probability": 0.965,
    "coach_probability": 0.02,
    "vintage_probability": 0.025,
    "authenticity_confidence": 0.02,
    "image_quality_score": 0.905,
    "seller_misidentification_probability": 0.05,
    "confidence": 0.92,
    "recommended_max_bid": 10,
    "estimated_resale_low": 9,
    "estimated_resale_high": 30,
    "possible_models": [],
    "positive_evidence": [
        "Photo 1: clearly a structured leather or leather-like zippered briefcase\/tote with top handles.",
        "Photos 3-4: construction appears neat, with even edge stitching and matched tan materials."
    ],
    "negative_evidence": [
        "Photos 1, 3, 4, 5, and 6: the bag prominently bears the embossed CHRISTIE'S INTERNATIONAL REAL ESTATE logo, not a Coach wordmark, carriage, or hangtag.",
        "Photos 1 and 3: bright silver-tone zipper hardware and double zipper pulls are inconsistent with the solid-brass hardware typical of many vintage Coach classics.",
        "Photos 5-6: the interior is fabric-lined and contains Christie\u2019s branding rather than a Coach creed patch or Coach label.",
        "Photos 1-2: the silhouette is a modern promotional briefcase\/tote, not a recognizable vintage Coach catalog model.",
        "photo 1: exterior embossed CHRISTIE'S INTERNATIONAL REAL ESTATE, not COACH wordmark or horse-and-carriage",
        "photo 4: close-up confirms CHRISTIE'S branding, no Coach identifier",
        "photo 5-6: fabric-lined interior with Christie's-stamped leather patch, no Coach creed patch with No. line",
        "photo 3-4: modern gold-tone double zipper with rectangular pulls, not vintage solid-brass Talon\/YKK or turnlock construction",
        "photo 1-2: zip-around briefcase\/tote silhouette with pointed handle attachments, not a catalog Coach classic silhouette"
    ],
    "missing_information": [
        "Photo 5-6 do not show every interior seam or any small fabric manufacturer tag; a close-up of all interior labels could identify the promotional manufacturer.",
        "Bottom, side, and zipper-pull underside views are not provided.",
        "Seller-stated dimensions and material composition are not provided.",
        "No Coach creed or serial to decode - none visible in interior views (photos 5-6)",
        "No bottom\/side detail or dimensions, but not needed given positive corporate branding"
    ],
    "authenticity_concerns": [
        "The visible branding identifies the bag as a Christie\u2019s International Real Estate promotional or branded bag, creating a strong non-Coach explanation.",
        "No Coach identifier is visible anywhere in the supplied photos; this is not an authentication finding, but the available evidence strongly favors a non-Coach bag."
    ],
    "possible_model_reasoning": [
        "No Coach model is a reasonable match because the bag carries explicit Christie\u2019s International Real Estate branding and has a modern zippered briefcase\/tote construction.",
        "Condition appears Very Good: exterior is generally clean with minor visible soft creasing or handling marks; the interior is shown and appears usable, though there are light marks and no bottom-corner close-up. Photo 6 shows the interior lining and pocket.",
        "No Coach model fits: corporate-branded Christie's briefcase\/tote with fabric lining and modern zippers is inconsistent with vintage glove-tanned Coach classics; no creed, wordmark, turnlock, or hangtag observed",
        "Condition: Like New to Excellent; clean exterior (photos 1-2), clean lining (photos 5-6), hardware bright (photos 3-4)"
    ],
    "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 3: bright silver-tone metal zipper with paired rectangular zipper pulls; no Coach engraving visible.",
        "leather_description": "Photos 1-4: smooth tan leather or leather-like material with lightly structured, uniform finish; composition cannot be confirmed from photos.",
        "lining_description": "Photos 5-6: light gray woven fabric lining with a large tan interior slip pocket embossed with Christie\u2019s branding.",
        "strap_construction": "Photos 1-3: two fixed rolled or padded top handles, attached with stitched pointed leather tabs; no detachable shoulder strap visible.",
        "stitching_description": "Photos 1-6: regular light-colored machine stitching around the body, handles, pocket, and trim; some interior edge finishing is visible."
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.0007,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.98,
                "coach_probability": 0.02,
                "vintage_probability": 0.02,
                "authenticity_confidence": 0.02,
                "image_quality_score": 0.96,
                "seller_misidentification_probability": 0.08,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [
                    "Photo 1: clearly a structured leather or leather-like zippered briefcase\/tote with top handles.",
                    "Photos 3-4: construction appears neat, with even edge stitching and matched tan materials."
                ],
                "negative_evidence": [
                    "Photos 1, 3, 4, 5, and 6: the bag prominently bears the embossed CHRISTIE'S INTERNATIONAL REAL ESTATE logo, not a Coach wordmark, carriage, or hangtag.",
                    "Photos 1 and 3: bright silver-tone zipper hardware and double zipper pulls are inconsistent with the solid-brass hardware typical of many vintage Coach classics.",
                    "Photos 5-6: the interior is fabric-lined and contains Christie\u2019s branding rather than a Coach creed patch or Coach label.",
                    "Photos 1-2: the silhouette is a modern promotional briefcase\/tote, not a recognizable vintage Coach catalog model."
                ],
                "missing_information": [
                    "Photo 5-6 do not show every interior seam or any small fabric manufacturer tag; a close-up of all interior labels could identify the promotional manufacturer.",
                    "Bottom, side, and zipper-pull underside views are not provided.",
                    "Seller-stated dimensions and material composition are not provided."
                ],
                "authenticity_concerns": [
                    "The visible branding identifies the bag as a Christie\u2019s International Real Estate promotional or branded bag, creating a strong non-Coach explanation.",
                    "No Coach identifier is visible anywhere in the supplied photos; this is not an authentication finding, but the available evidence strongly favors a non-Coach bag."
                ],
                "observed_features": {
                    "creed_present": true,
                    "creed_text": "CHRISTIE'S INTERNATIONAL REAL ESTATE",
                    "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 3: bright silver-tone metal zipper with paired rectangular zipper pulls; no Coach engraving visible.",
                    "leather_description": "Photos 1-4: smooth tan leather or leather-like material with lightly structured, uniform finish; composition cannot be confirmed from photos.",
                    "lining_description": "Photos 5-6: light gray woven fabric lining with a large tan interior slip pocket embossed with Christie\u2019s branding.",
                    "strap_construction": "Photos 1-3: two fixed rolled or padded top handles, attached with stitched pointed leather tabs; no detachable shoulder strap visible.",
                    "stitching_description": "Photos 1-6: regular light-colored machine stitching around the body, handles, pocket, and trim; some interior edge finishing is visible."
                },
                "possible_model_reasoning": [
                    "No Coach model is a reasonable match because the bag carries explicit Christie\u2019s International Real Estate branding and has a modern zippered briefcase\/tote construction.",
                    "Condition appears Very Good: exterior is generally clean with minor visible soft creasing or handling marks; the interior is shown and appears usable, though there are light marks and no bottom-corner close-up. Photo 6 shows the interior lining and pocket."
                ],
                "confidence": 0.94,
                "recommended_max_bid": 8,
                "estimated_resale_low": 8,
                "estimated_resale_high": 30
            }
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "result": {
                "authenticity_concerns": [],
                "authenticity_confidence": 0.02,
                "coach_probability": 0.02,
                "confidence": 0.9,
                "estimated_era": "modern (2000s+), non-Coach",
                "estimated_resale_high": 30,
                "estimated_resale_low": 10,
                "image_quality_score": 0.85,
                "is_handbag_probability": 0.95,
                "missing_information": [
                    "No Coach creed or serial to decode - none visible in interior views (photos 5-6)",
                    "No bottom\/side detail or dimensions, but not needed given positive corporate branding"
                ],
                "negative_evidence": [
                    "photo 1: exterior embossed CHRISTIE'S INTERNATIONAL REAL ESTATE, not COACH wordmark or horse-and-carriage",
                    "photo 4: close-up confirms CHRISTIE'S branding, no Coach identifier",
                    "photo 5-6: fabric-lined interior with Christie's-stamped leather patch, no Coach creed patch with No. line",
                    "photo 3-4: modern gold-tone double zipper with rectangular pulls, not vintage solid-brass Talon\/YKK or turnlock construction",
                    "photo 1-2: zip-around briefcase\/tote silhouette with pointed handle attachments, not a catalog Coach classic silhouette"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "gold-tone double zip-around zipper with rectangular metal pulls (photos 3-4), no turnlock, no COACH stamping visible",
                    "leather_description": "smooth tan\/beige leather with uniform coated finish, pointed handle attachments (photos 1-2)",
                    "lining_description": "light beige\/off-white woven fabric lining (photos 5-6)",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "even light-tone edge stitching around body and handles (photos 1-2)",
                    "strap_construction": "two short fixed top handles, no detachable crossbody strap or dogleash clips visible",
                    "turnlock_present": false
                },
                "positive_evidence": [],
                "possible_model_reasoning": [
                    "No Coach model fits: corporate-branded Christie's briefcase\/tote with fabric lining and modern zippers is inconsistent with vintage glove-tanned Coach classics; no creed, wordmark, turnlock, or hangtag observed",
                    "Condition: Like New to Excellent; clean exterior (photos 1-2), clean lining (photos 5-6), hardware bright (photos 3-4)"
                ],
                "possible_models": [],
                "recommended_max_bid": 12,
                "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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}