Vintage Coach Hunter

{
    "is_handbag_probability": 0.805,
    "coach_probability": 0.02,
    "vintage_probability": 0.035,
    "authenticity_confidence": 0.02,
    "image_quality_score": 0.79,
    "seller_misidentification_probability": 0.43,
    "confidence": 0.905,
    "recommended_max_bid": 12,
    "estimated_resale_low": 12.5,
    "estimated_resale_high": 35,
    "possible_models": [],
    "positive_evidence": [
        "photo 3: clear embossed branding reads \"CHRISTIE'S INTERNATIONAL REAL ESTATE,\" not COACH.",
        "photo 1: structured tan zippered attache\/carrying case with two handles is visible.",
        "photo 1: construction appears clean and professionally finished, with even perimeter stitching and coordinated gold-tone zipper hardware."
    ],
    "negative_evidence": [
        "photo 3: visible branding is Christie\u2019s International Real Estate; no COACH wordmark, horse-and-carriage, creed, or Coach hangtag is visible.",
        "photo 1: bright plated gold-tone zipper hardware and a fully zippered rectangular attache silhouette do not match the typical vintage Coach classic handbag construction.",
        "photo 5: the included flat matching pouch\/document sleeve further supports a branded promotional business set rather than a vintage Coach handbag.",
        "photo 1: the smooth surface looks leather-like, but the material cannot be confirmed from these photos.",
        "photo 3: embossed CHRISTIE'S INTERNATIONAL REAL ESTATE branding centered on front, not COACH",
        "photo 4: reverse side same CHRISTIE'S INTERNATIONAL REAL ESTATE embossing",
        "photo 1: zip-around attache \/ portfolio silhouette with dual top handles, no turnlock, no Coach catalog match",
        "photo 3: bright gold-tone rectangular zip pulls, unbranded, not vintage solid-brass Talon \/ Coach hardware",
        "photo 1: smooth finished tan leather with even tonal stitching, not vintage glove-tanned with patina",
        "no creed patch, no COACH wordmark, no horse-and-carriage, no hangtag visible in any of 6 photos"
    ],
    "missing_information": [
        "photo 1-6: interior compartments, lining, and any care\/material labels are not shown.",
        "photo 1-6: underside, corners, zipper-brand markings, and handle attachment details are not shown.",
        "Seller-stated dimensions and whether the case is genuine leather or synthetic are not provided.",
        "interior views not shown - lining and any interior labels\/tags unknown",
        "bottom\/side close-ups not shown",
        "maker\/country label not shown"
    ],
    "authenticity_concerns": [
        "photo 3: the embossed third-party branding is inconsistent with Coach manufacture; this is best treated as a Christie\u2019s promotional or branded business case, not a Coach item.",
        "photo 1-6: no Coach identifier is visible to support a Coach attribution.",
        "photo 3: bag is explicitly branded CHRISTIE'S INTERNATIONAL REAL ESTATE, inconsistent with Coach manufacture"
    ],
    "possible_model_reasoning": [
        "The rectangular zip-around silhouette and matching document sleeve fit a business attache or promotional real-estate presentation case, not a cataloged vintage Coach handbag.",
        "photo 3: Christie\u2019s International Real Estate embossing is the only visible brand identifier and does not correspond to Coach.",
        "Condition appears Excellent based on the clean exterior and intact-looking hardware in photos 1-6; interior condition is unknown and the incomplete views cap confidence.",
        "No Coach model fits: zip-around corporate attache with Christie's branding and modern zip hardware does not match any vintage Coach briefcase\/messenger in catalog",
        "Era reasoning: corporate promotional set construction, finished leather, bright plated zippers indicate modern (2000s+) non-Coach",
        "Condition: Like New to Excellent; clean exterior, no corner wear visible (photos 1-2, 5), interior not shown so capped"
    ],
    "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: bright gold-tone zipper teeth and paired rectangular zipper pulls; no Coach engraving is visible.",
        "leather_description": "photo 1: smooth tan leather-like exterior with a relatively uniform finish; material composition is not confirmed.",
        "lining_description": "not_visible",
        "strap_construction": "photo 1: two fixed short top handles with stitched leather-like handle mounts; no shoulder strap is visible.",
        "stitching_description": "photo 1: generally even, close perimeter stitching is visible around the case and handle mounts."
    },
    "ensemble_agreement": "MEDIUM",
    "ensemble_variance": 0.0257,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.86,
                "coach_probability": 0.02,
                "vintage_probability": 0.04,
                "authenticity_confidence": 0.02,
                "image_quality_score": 0.88,
                "seller_misidentification_probability": 0.84,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [
                    "photo 3: clear embossed branding reads \"CHRISTIE'S INTERNATIONAL REAL ESTATE,\" not COACH.",
                    "photo 1: structured tan zippered attache\/carrying case with two handles is visible.",
                    "photo 1: construction appears clean and professionally finished, with even perimeter stitching and coordinated gold-tone zipper hardware."
                ],
                "negative_evidence": [
                    "photo 3: visible branding is Christie\u2019s International Real Estate; no COACH wordmark, horse-and-carriage, creed, or Coach hangtag is visible.",
                    "photo 1: bright plated gold-tone zipper hardware and a fully zippered rectangular attache silhouette do not match the typical vintage Coach classic handbag construction.",
                    "photo 5: the included flat matching pouch\/document sleeve further supports a branded promotional business set rather than a vintage Coach handbag.",
                    "photo 1: the smooth surface looks leather-like, but the material cannot be confirmed from these photos."
                ],
                "missing_information": [
                    "photo 1-6: interior compartments, lining, and any care\/material labels are not shown.",
                    "photo 1-6: underside, corners, zipper-brand markings, and handle attachment details are not shown.",
                    "Seller-stated dimensions and whether the case is genuine leather or synthetic are not provided."
                ],
                "authenticity_concerns": [
                    "photo 3: the embossed third-party branding is inconsistent with Coach manufacture; this is best treated as a Christie\u2019s promotional or branded business case, not a Coach item.",
                    "photo 1-6: no Coach identifier is visible to support a Coach attribution."
                ],
                "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: bright gold-tone zipper teeth and paired rectangular zipper pulls; no Coach engraving is visible.",
                    "leather_description": "photo 1: smooth tan leather-like exterior with a relatively uniform finish; material composition is not confirmed.",
                    "lining_description": "not_visible",
                    "strap_construction": "photo 1: two fixed short top handles with stitched leather-like handle mounts; no shoulder strap is visible.",
                    "stitching_description": "photo 1: generally even, close perimeter stitching is visible around the case and handle mounts."
                },
                "possible_model_reasoning": [
                    "The rectangular zip-around silhouette and matching document sleeve fit a business attache or promotional real-estate presentation case, not a cataloged vintage Coach handbag.",
                    "photo 3: Christie\u2019s International Real Estate embossing is the only visible brand identifier and does not correspond to Coach.",
                    "Condition appears Excellent based on the clean exterior and intact-looking hardware in photos 1-6; interior condition is unknown and the incomplete views cap confidence."
                ],
                "confidence": 0.93,
                "recommended_max_bid": 12,
                "estimated_resale_low": 10,
                "estimated_resale_high": 40
            }
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "result": {
                "authenticity_concerns": [
                    "photo 3: bag is explicitly branded CHRISTIE'S INTERNATIONAL REAL ESTATE, inconsistent with Coach manufacture"
                ],
                "authenticity_confidence": 0.02,
                "coach_probability": 0.02,
                "confidence": 0.88,
                "estimated_era": "modern (2000s+), non-Coach",
                "estimated_resale_high": 30,
                "estimated_resale_low": 15,
                "image_quality_score": 0.7,
                "is_handbag_probability": 0.75,
                "missing_information": [
                    "interior views not shown - lining and any interior labels\/tags unknown",
                    "bottom\/side close-ups not shown",
                    "maker\/country label not shown"
                ],
                "negative_evidence": [
                    "photo 3: embossed CHRISTIE'S INTERNATIONAL REAL ESTATE branding centered on front, not COACH",
                    "photo 4: reverse side same CHRISTIE'S INTERNATIONAL REAL ESTATE embossing",
                    "photo 1: zip-around attache \/ portfolio silhouette with dual top handles, no turnlock, no Coach catalog match",
                    "photo 3: bright gold-tone rectangular zip pulls, unbranded, not vintage solid-brass Talon \/ Coach hardware",
                    "photo 1: smooth finished tan leather with even tonal stitching, not vintage glove-tanned with patina",
                    "no creed patch, no COACH wordmark, no horse-and-carriage, no hangtag visible in any of 6 photos"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "bright gold-tone perimeter zipper with two rectangular pulls (photos 1-4); small gold-tone snap on journal cover (photos 5-6)",
                    "leather_description": "smooth tan \/ camel finished leather, uniform color, no glove-tanned grain or patina visible (photos 1-5)",
                    "lining_description": "not_visible",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "even straight tonal stitching around edges and handle anchors (photos 1-4)",
                    "strap_construction": "two short rolled top handles with pointed diamond-shaped anchors, no shoulder strap shown",
                    "turnlock_present": false
                },
                "positive_evidence": [],
                "possible_model_reasoning": [
                    "No Coach model fits: zip-around corporate attache with Christie's branding and modern zip hardware does not match any vintage Coach briefcase\/messenger in catalog",
                    "Era reasoning: corporate promotional set construction, finished leather, bright plated zippers indicate modern (2000s+) non-Coach",
                    "Condition: Like New to Excellent; clean exterior, no corner wear visible (photos 1-2, 5), interior not shown so capped"
                ],
                "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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}