Vintage Coach Hunter

{
    "is_handbag_probability": 0.985,
    "coach_probability": 0.02,
    "vintage_probability": 0.015,
    "authenticity_confidence": 0.02,
    "image_quality_score": 0.735,
    "seller_misidentification_probability": 0.025,
    "confidence": 0.905,
    "recommended_max_bid": 7.5,
    "estimated_resale_low": 5,
    "estimated_resale_high": 27.5,
    "possible_models": [],
    "positive_evidence": [],
    "negative_evidence": [
        "photo 3: listing graphic explicitly labels the material as \"Quilted PU Leather,\" inconsistent with vintage Coach glove-tanned leather",
        "photo 1: fashion-model stock image shows a quilted flap bag with a decorative contemporary clasp and chain strap, not a recognizable vintage Coach construction",
        "photo 2: product graphics show a glossy chain strap, padded quilted body, magnetic closure and modern compartment layout",
        "photo 3: hardware and clasp are contemporary plated metal; no Coach wordmark, carriage, creed or vintage-style turnlock is visible",
        "photo 4: interior is visibly polyester\/synthetic-lined and divided into multiple modern compartments, unlike classic unlined vintage Coach styles",
        "photo 5: product presentation uses standardized stock\/catalog graphics and comparison measurements, with no provenance or brand identifiers",
        "photo 6: close product image shows no Coach branding, hangtag, creed patch or serial\/style marking",
        "photo 2, photo 3, photo 5, photo 6: quilted puffy synthetic-style flap bag with chain strap, not a Coach catalog silhouette",
        "photo 3: labeled as Quilted PU Leather and Waterproof Fabric",
        "photo 3: glossy gold-tone chain strap with eyelets and magnetic buckle, not solid brass turnlock",
        "photo 4: polyester-type dark lining with multiple zip pockets and magnetic snap, not unlined suede glove-tanned interior",
        "all photos: no creed patch, no COACH wordmark, no horse-and-carriage, no leather hangtag visible"
    ],
    "missing_information": [
        "photo 1-6: no authentic retail or secondhand detail photos showing labels, interior brand markings or a serial\/style tag",
        "photo 1-6: no close-up of zipper pull or hardware engravings",
        "photo 1-6: seller-provided dimensions and material claims are not independently verifiable",
        "no creed patch shown in any photo",
        "no Coach wordmark, hangtag, or hardware engraving shown",
        "no interior creed or fabric tag close-up"
    ],
    "authenticity_concerns": [
        "photo 3: PU material and polyester lining identify this as a modern synthetic fashion bag rather than a vintage Coach leather bag",
        "photo 1-6: no Coach identifier is visible anywhere in the supplied images",
        "photo 2-6: contemporary quilted design, chain strap and plated clasp are inconsistent with the classic vintage Coach catalog styles",
        "photo 3: quilted PU \/ vegan leather construction inconsistent with vintage Coach glove-tanned leather",
        "photo 3 and photo 4: magnetic snap closure and bright plated chain hardware inconsistent with vintage solid brass turnlock construction"
    ],
    "possible_model_reasoning": [
        "photo 1-6: silhouette is a modern quilted flap crossbody with chain strap, not a close match to a vintage Coach model; no Coach model is supported",
        "photo 3-4: the stated PU exterior and polyester lining place it in the modern non-Coach category",
        "photo 1-6: Condition cannot be reliably graded because these appear to be stock\/product images rather than detailed used-item photos; apparent clean condition should not be treated as verified",
        "Silhouette, quilted PU construction, chain strap, magnetic snap, and polyester lining do not match any vintage Coach classic model",
        "No Coach identifiers visible in any of 6 photos despite clear front, back, side, bottom, and interior views",
        "Seller text explicitly states vegan leather and polyester lining, which excludes 1970s-1990s glove-tanned Coach",
        "Condition: New as shown in catalog-style images; no wear visible"
    ],
    "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 1-6: glossy plated metal chain strap, metal strap rings and a decorative clasp\/magnetic closure; no Coach engraving visible",
        "leather_description": "photo 3: product graphic labels the exterior \"Quilted PU Leather\"; seller text also states vegan leather",
        "lining_description": "photo 4: dark synthetic-looking lining with multiple compartments; seller states polyester lining",
        "strap_construction": "photo 1-6: adjustable glossy metal chain strap attached through metal grommets and leather\/synthetic tabs",
        "stitching_description": "photo 2, 5 and 6: visible machine stitching follows the quilted diamond pattern and edges; no distinctive vintage Coach construction is established"
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.001,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.98,
                "coach_probability": 0.02,
                "vintage_probability": 0.01,
                "authenticity_confidence": 0.02,
                "image_quality_score": 0.82,
                "seller_misidentification_probability": 0.03,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [],
                "negative_evidence": [
                    "photo 3: listing graphic explicitly labels the material as \"Quilted PU Leather,\" inconsistent with vintage Coach glove-tanned leather",
                    "photo 1: fashion-model stock image shows a quilted flap bag with a decorative contemporary clasp and chain strap, not a recognizable vintage Coach construction",
                    "photo 2: product graphics show a glossy chain strap, padded quilted body, magnetic closure and modern compartment layout",
                    "photo 3: hardware and clasp are contemporary plated metal; no Coach wordmark, carriage, creed or vintage-style turnlock is visible",
                    "photo 4: interior is visibly polyester\/synthetic-lined and divided into multiple modern compartments, unlike classic unlined vintage Coach styles",
                    "photo 5: product presentation uses standardized stock\/catalog graphics and comparison measurements, with no provenance or brand identifiers",
                    "photo 6: close product image shows no Coach branding, hangtag, creed patch or serial\/style marking"
                ],
                "missing_information": [
                    "photo 1-6: no authentic retail or secondhand detail photos showing labels, interior brand markings or a serial\/style tag",
                    "photo 1-6: no close-up of zipper pull or hardware engravings",
                    "photo 1-6: seller-provided dimensions and material claims are not independently verifiable"
                ],
                "authenticity_concerns": [
                    "photo 3: PU material and polyester lining identify this as a modern synthetic fashion bag rather than a vintage Coach leather bag",
                    "photo 1-6: no Coach identifier is visible anywhere in the supplied images",
                    "photo 2-6: contemporary quilted design, chain strap and plated clasp are inconsistent with the classic vintage Coach catalog styles"
                ],
                "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 1-6: glossy plated metal chain strap, metal strap rings and a decorative clasp\/magnetic closure; no Coach engraving visible",
                    "leather_description": "photo 3: product graphic labels the exterior \"Quilted PU Leather\"; seller text also states vegan leather",
                    "lining_description": "photo 4: dark synthetic-looking lining with multiple compartments; seller states polyester lining",
                    "strap_construction": "photo 1-6: adjustable glossy metal chain strap attached through metal grommets and leather\/synthetic tabs",
                    "stitching_description": "photo 2, 5 and 6: visible machine stitching follows the quilted diamond pattern and edges; no distinctive vintage Coach construction is established"
                },
                "possible_model_reasoning": [
                    "photo 1-6: silhouette is a modern quilted flap crossbody with chain strap, not a close match to a vintage Coach model; no Coach model is supported",
                    "photo 3-4: the stated PU exterior and polyester lining place it in the modern non-Coach category",
                    "photo 1-6: Condition cannot be reliably graded because these appear to be stock\/product images rather than detailed used-item photos; apparent clean condition should not be treated as verified"
                ],
                "confidence": 0.91,
                "recommended_max_bid": 5,
                "estimated_resale_low": 5,
                "estimated_resale_high": 30
            }
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "result": {
                "authenticity_concerns": [
                    "photo 3: quilted PU \/ vegan leather construction inconsistent with vintage Coach glove-tanned leather",
                    "photo 3 and photo 4: magnetic snap closure and bright plated chain hardware inconsistent with vintage solid brass turnlock construction"
                ],
                "authenticity_confidence": 0.02,
                "coach_probability": 0.02,
                "confidence": 0.9,
                "estimated_era": "modern (2000s+), non-Coach",
                "estimated_resale_high": 25,
                "estimated_resale_low": 5,
                "image_quality_score": 0.65,
                "is_handbag_probability": 0.99,
                "missing_information": [
                    "no creed patch shown in any photo",
                    "no Coach wordmark, hangtag, or hardware engraving shown",
                    "no interior creed or fabric tag close-up"
                ],
                "negative_evidence": [
                    "photo 2, photo 3, photo 5, photo 6: quilted puffy synthetic-style flap bag with chain strap, not a Coach catalog silhouette",
                    "photo 3: labeled as Quilted PU Leather and Waterproof Fabric",
                    "photo 3: glossy gold-tone chain strap with eyelets and magnetic buckle, not solid brass turnlock",
                    "photo 4: polyester-type dark lining with multiple zip pockets and magnetic snap, not unlined suede glove-tanned interior",
                    "all photos: 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": "gold-tone chain strap with round eyelets, C-shaped front clasp with magnetic snap backing visible in photo 3 and photo 4; bright plated appearance, not solid brass turnlock",
                    "leather_description": "quilted brown vegan \/ PU leather per seller text and photo 3 callout; puffy diamond quilting, smooth coated appearance",
                    "lining_description": "dark fabric lining visible in photo 4; seller states polyester lining",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "diamond quilt stitching visible in photos 2, 5, 6; even but machine quilted, not Coach classic straight seam stitching",
                    "strap_construction": "long chain shoulder\/crossbody strap with leather interwoven section, attached via round eyelets; drop 12.20 to 21.06 inches per seller",
                    "turnlock_present": false
                },
                "positive_evidence": [],
                "possible_model_reasoning": [
                    "Silhouette, quilted PU construction, chain strap, magnetic snap, and polyester lining do not match any vintage Coach classic model",
                    "No Coach identifiers visible in any of 6 photos despite clear front, back, side, bottom, and interior views",
                    "Seller text explicitly states vegan leather and polyester lining, which excludes 1970s-1990s glove-tanned Coach",
                    "Condition: New as shown in catalog-style images; no wear visible"
                ],
                "possible_models": [],
                "recommended_max_bid": 10,
                "seller_misidentification_probability": 0.02,
                "vintage_probability": 0.02
            }
        }
    ],
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 18304,
            "output_tokens": 842,
            "total_tokens": 19146,
            "estimated_cost_usd": 0.009342
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 18861,
            "output_tokens": 1324,
            "total_tokens": 20185,
            "estimated_cost_usd": 0.004831
        }
    ]
}