Vintage Coach Hunter

{
    "is_handbag_probability": 0.99,
    "coach_probability": 0.02,
    "vintage_probability": 0.02,
    "authenticity_confidence": 0.02,
    "image_quality_score": 0.835,
    "seller_misidentification_probability": 0.025,
    "confidence": 0.91,
    "recommended_max_bid": 11.5,
    "estimated_resale_low": 7.5,
    "estimated_resale_high": 27.5,
    "possible_models": [],
    "positive_evidence": [],
    "negative_evidence": [
        "photo 1: The bag has an all-over brown geometric triangle\/check pattern, not a recognizable Coach Signature C pattern or Coach wordmark.",
        "photo 1: The exterior appears to be coated canvas or synthetic patterned material with smooth contrast trim rather than vintage glove-tanned leather.",
        "photo 3: Interior is fabric-lined and contains no visible Coach creed patch, wordmark, or horse-and-carriage identifier.",
        "photo 1: Bright silver-tone hardware and multiple zippered compartments are inconsistent with classic vintage Coach construction.",
        "photo 1: Handles remain wrapped in clear plastic, suggesting a modern unused or lightly used bag rather than a vintage Coach piece.",
        "photo 1,2,5: all-over brown geometric triangle coated-canvas print with tan faux-leather trim, not Coach Signature C pairing\/alignment",
        "photo 3,4: burgundy polyester fabric lining with bound zip pocket, not unlined glove-tanned suede and not Coach lining",
        "photo 1,2,5,6: bright gold-tone plated hardware, thin D-rings, lobster-clasp strap ends and exposed zippers, not solid brass vintage hardware",
        "photo 1-6: no creed patch, no COACH wordmark, no horse-and-carriage, no hangtag visible in any view",
        "photo 1,2: handles still in plastic wrap, new mass-produced fast-fashion construction with painted edges and uniform faux-leather"
    ],
    "missing_information": [
        "photo 3: A closer, straight-on photograph of the interior seams and any tags could confirm whether a non-Coach brand label is present.",
        "photo 1: Close-ups of zipper pulls and hardware markings are not provided.",
        "Seller-stated dimensions and material composition are not provided.",
        "No Coach identifiers to verify; for generic resale only exterior dimensions and strap length would help"
    ],
    "authenticity_concerns": [
        "photo 1: The geometric monogram is a generic or brand-evoking pattern, not evidence of Coach manufacture.",
        "photo 3: The fabric lining and absence of a visible creed or Coach identifier strongly conflict with a vintage Coach classic."
    ],
    "possible_model_reasoning": [
        "Not a Coach silhouette, material, or hardware package; geometric print is generic, not paired Cs, and construction is new coated faux-leather with poly lining",
        "No creed, wordmark, hangtag, or turnlock in front, back, interior, or bottom views to decode for era\/model",
        "Condition: Like New \/ New without tags; plastic still on handles (photo 1,2), clean lining (photo 3,4), clean bottom with feet (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: Silver-tone rings, clasps, zipper teeth and corner hardware are visible; no Coach engraving is legible.",
        "leather_description": "photo 1: Smooth tan contrast trim is visible, but the patterned body appears coated canvas or synthetic material; genuine leather is not established.",
        "lining_description": "photo 3: Burgundy\/maroon fabric lining with zippered interior pockets is visible.",
        "strap_construction": "photos 1 and 6: Two rolled top handles and a long detachable shoulder strap are visible; handles are wrapped in plastic.",
        "stitching_description": "photos 1 and 6: Visible machine stitching is generally even, with tan contrast trim and dark edging."
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.0012,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.99,
                "coach_probability": 0.02,
                "vintage_probability": 0.02,
                "authenticity_confidence": 0.02,
                "image_quality_score": 0.92,
                "seller_misidentification_probability": 0.03,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [],
                "negative_evidence": [
                    "photo 1: The bag has an all-over brown geometric triangle\/check pattern, not a recognizable Coach Signature C pattern or Coach wordmark.",
                    "photo 1: The exterior appears to be coated canvas or synthetic patterned material with smooth contrast trim rather than vintage glove-tanned leather.",
                    "photo 3: Interior is fabric-lined and contains no visible Coach creed patch, wordmark, or horse-and-carriage identifier.",
                    "photo 1: Bright silver-tone hardware and multiple zippered compartments are inconsistent with classic vintage Coach construction.",
                    "photo 1: Handles remain wrapped in clear plastic, suggesting a modern unused or lightly used bag rather than a vintage Coach piece."
                ],
                "missing_information": [
                    "photo 3: A closer, straight-on photograph of the interior seams and any tags could confirm whether a non-Coach brand label is present.",
                    "photo 1: Close-ups of zipper pulls and hardware markings are not provided.",
                    "Seller-stated dimensions and material composition are not provided."
                ],
                "authenticity_concerns": [
                    "photo 1: The geometric monogram is a generic or brand-evoking pattern, not evidence of Coach manufacture.",
                    "photo 3: The fabric lining and absence of a visible creed or Coach identifier strongly conflict with a vintage Coach classic."
                ],
                "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: Silver-tone rings, clasps, zipper teeth and corner hardware are visible; no Coach engraving is legible.",
                    "leather_description": "photo 1: Smooth tan contrast trim is visible, but the patterned body appears coated canvas or synthetic material; genuine leather is not established.",
                    "lining_description": "photo 3: Burgundy\/maroon fabric lining with zippered interior pockets is visible.",
                    "strap_construction": "photos 1 and 6: Two rolled top handles and a long detachable shoulder strap are visible; handles are wrapped in plastic.",
                    "stitching_description": "photos 1 and 6: Visible machine stitching is generally even, with tan contrast trim and dark edging."
                },
                "possible_model_reasoning": [],
                "confidence": 0.94,
                "recommended_max_bid": 15,
                "estimated_resale_low": 10,
                "estimated_resale_high": 35
            }
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "result": {
                "authenticity_concerns": [],
                "authenticity_confidence": 0.02,
                "coach_probability": 0.02,
                "confidence": 0.88,
                "estimated_era": "modern (2000s+), non-Coach",
                "estimated_resale_high": 20,
                "estimated_resale_low": 5,
                "image_quality_score": 0.75,
                "is_handbag_probability": 0.99,
                "missing_information": [
                    "No Coach identifiers to verify; for generic resale only exterior dimensions and strap length would help"
                ],
                "negative_evidence": [
                    "photo 1,2,5: all-over brown geometric triangle coated-canvas print with tan faux-leather trim, not Coach Signature C pairing\/alignment",
                    "photo 3,4: burgundy polyester fabric lining with bound zip pocket, not unlined glove-tanned suede and not Coach lining",
                    "photo 1,2,5,6: bright gold-tone plated hardware, thin D-rings, lobster-clasp strap ends and exposed zippers, not solid brass vintage hardware",
                    "photo 1-6: no creed patch, no COACH wordmark, no horse-and-carriage, no hangtag visible in any view",
                    "photo 1,2: handles still in plastic wrap, new mass-produced fast-fashion construction with painted edges and uniform faux-leather"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "bright gold-tone plated hardware; thin D-rings, lobster-clasp detachable strap, exposed side zippers and rear zip; not solid brass",
                    "leather_description": "brown geometric triangle-print coated canvas\/PVC body with smooth tan faux-leather trim and bottom panel; no glove-tanned grain or patina",
                    "lining_description": "burgundy\/maroon woven polyester lining with faux-leather-trimmed interior zip pocket",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "even machine stitching in matching tan thread around trim and bottom; no stress-point handwork visible",
                    "strap_construction": "dual rolled top handles on D-rings plus detachable flat crossbody strap on lobster clips",
                    "turnlock_present": false
                },
                "positive_evidence": [],
                "possible_model_reasoning": [
                    "Not a Coach silhouette, material, or hardware package; geometric print is generic, not paired Cs, and construction is new coated faux-leather with poly lining",
                    "No creed, wordmark, hangtag, or turnlock in front, back, interior, or bottom views to decode for era\/model",
                    "Condition: Like New \/ New without tags; plastic still on handles (photo 1,2), clean lining (photo 3,4), clean bottom with feet (photo 6)"
                ],
                "possible_models": [],
                "recommended_max_bid": 8,
                "seller_misidentification_probability": 0.02,
                "vintage_probability": 0.02
            }
        }
    ],
    "_usage": [
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            "model_name": "openai:gpt-5.6-luna",
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            "output_tokens": 657,
            "total_tokens": 29427,
            "estimated_cost_usd": 0.013085
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
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}