Vintage Coach Hunter

{
    "is_handbag_probability": 0.965,
    "coach_probability": 0.025,
    "vintage_probability": 0.04,
    "authenticity_confidence": 0.025,
    "image_quality_score": 0.36,
    "seller_misidentification_probability": 0.05,
    "confidence": 0.61,
    "recommended_max_bid": 9,
    "estimated_resale_low": 5,
    "estimated_resale_high": 25,
    "possible_models": [],
    "positive_evidence": [],
    "negative_evidence": [
        "photo 1: visible brown-and-tan checkerboard exterior is not recognizable as Coach Signature C pattern; it appears to be a generic checkered textile or coated material.",
        "photo 1: visible silver-tone feet and detachable strap hardware do not show distinctive vintage Coach construction or identifiers.",
        "photo 1: no Coach wordmark, carriage, hangtag, creed patch, or serial is visible.",
        "photo 1: brown checkerboard coated canvas body - nylon\/coated PVC type material, coach_probability <=0.05 per triage rule",
        "photo 1: no COACH wordmark, horse-and-carriage, creed patch, or leather hangtag visible",
        "photo 1: no solid-brass vintage turnlock or brass dogleash hardware; only small gold-tone base feet visible",
        "photo 1: detachable dark brown crossbody strap with thin gold-tone lobster clips and slider - modern fast-fashion construction, not vintage Coach glove-tanned strap"
    ],
    "missing_information": [
        "photo 1: only the lower exterior and detached strap are shown; request clear front, back, side, bottom, and top views.",
        "Request an empty interior photo, including every pocket and seam for a creed patch or fabric tag.",
        "Request close-ups of the zipper pull, strap clips, hardware, and any labels or stamps.",
        "Request photos of all corners and the strap attachment points.",
        "front, back, side, interior and top views not shown - only bottom view provided",
        "creed patch \/ interior lining not shown",
        "turnlock \/ closure and hangtag not shown",
        "hardware stamps, zipper brand, and Made-in line not shown",
        "seller-stated dimensions and materials not provided"
    ],
    "authenticity_concerns": [
        "photo 1: the checkered pattern is not the paired, mirror-aligned Coach Signature C canvas pattern; it is more consistent with a generic or lookalike bag.",
        "photo 1: no Coach identifier is visible, so Coach manufacture cannot be supported from the provided view.",
        "photo 1: brown checkerboard coated canvas is not Coach Signature C \/ Op Art and matches LV Damier-style fast-fashion pattern, not Coach manufacture"
    ],
    "possible_model_reasoning": [
        "The visible checkered exterior and zip-top shoulder-bag description do not match a specific Coach catalog model; no Coach model is proposed.",
        "Condition cannot be graded reliably because the interior, full exterior, corners, and strap condition are not shown.",
        "Not a Coach silhouette: zip-top checkered shoulder bag with base feet and detachable crossbody strap matches generic modern fast-fashion Damier-style bag, not any catalog Classic, Cashin, or modern Coach style",
        "No hard identifiers visible to decode for era or model; construction (coated checkered canvas, plated feet, thin strap) points to modern non-Coach",
        "Condition: cannot grade - only bottom view provided, front\/corners\/interior\/strap wear not assessable"
    ],
    "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 metal feet\/rivets and detachable strap hardware are visible; zipper and other hardware details are not visible.",
        "leather_description": "photo 1: exterior appears to be brown-and-tan patterned textile or coated material rather than visible glove-tanned leather; exact material is not determinable.",
        "lining_description": "not_visible",
        "strap_construction": "photo 1: detachable dark strap with silver-tone clips and an adjustable buckle is visible; strap is coiled and not fully extended.",
        "stitching_description": "photo 1: limited edge stitching is visible, but the image does not permit a reliable construction assessment."
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.0048,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.98,
                "coach_probability": 0.03,
                "vintage_probability": 0.05,
                "authenticity_confidence": 0.03,
                "image_quality_score": 0.42,
                "seller_misidentification_probability": 0.08,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [],
                "negative_evidence": [
                    "photo 1: visible brown-and-tan checkerboard exterior is not recognizable as Coach Signature C pattern; it appears to be a generic checkered textile or coated material.",
                    "photo 1: visible silver-tone feet and detachable strap hardware do not show distinctive vintage Coach construction or identifiers.",
                    "photo 1: no Coach wordmark, carriage, hangtag, creed patch, or serial is visible."
                ],
                "missing_information": [
                    "photo 1: only the lower exterior and detached strap are shown; request clear front, back, side, bottom, and top views.",
                    "Request an empty interior photo, including every pocket and seam for a creed patch or fabric tag.",
                    "Request close-ups of the zipper pull, strap clips, hardware, and any labels or stamps.",
                    "Request photos of all corners and the strap attachment points."
                ],
                "authenticity_concerns": [
                    "photo 1: the checkered pattern is not the paired, mirror-aligned Coach Signature C canvas pattern; it is more consistent with a generic or lookalike bag.",
                    "photo 1: no Coach identifier is visible, so Coach manufacture cannot be supported from the provided view."
                ],
                "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 metal feet\/rivets and detachable strap hardware are visible; zipper and other hardware details are not visible.",
                    "leather_description": "photo 1: exterior appears to be brown-and-tan patterned textile or coated material rather than visible glove-tanned leather; exact material is not determinable.",
                    "lining_description": "not_visible",
                    "strap_construction": "photo 1: detachable dark strap with silver-tone clips and an adjustable buckle is visible; strap is coiled and not fully extended.",
                    "stitching_description": "photo 1: limited edge stitching is visible, but the image does not permit a reliable construction assessment."
                },
                "possible_model_reasoning": [
                    "The visible checkered exterior and zip-top shoulder-bag description do not match a specific Coach catalog model; no Coach model is proposed.",
                    "Condition cannot be graded reliably because the interior, full exterior, corners, and strap condition are not shown."
                ],
                "confidence": 0.44,
                "recommended_max_bid": 10,
                "estimated_resale_low": 5,
                "estimated_resale_high": 30
            }
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "result": {
                "authenticity_concerns": [
                    "photo 1: brown checkerboard coated canvas is not Coach Signature C \/ Op Art and matches LV Damier-style fast-fashion pattern, not Coach manufacture"
                ],
                "authenticity_confidence": 0.02,
                "coach_probability": 0.02,
                "confidence": 0.78,
                "estimated_era": "modern (2000s+), non-Coach",
                "estimated_resale_high": 20,
                "estimated_resale_low": 5,
                "image_quality_score": 0.3,
                "is_handbag_probability": 0.95,
                "missing_information": [
                    "front, back, side, interior and top views not shown - only bottom view provided",
                    "creed patch \/ interior lining not shown",
                    "turnlock \/ closure and hangtag not shown",
                    "hardware stamps, zipper brand, and Made-in line not shown",
                    "seller-stated dimensions and materials not provided"
                ],
                "negative_evidence": [
                    "photo 1: brown checkerboard coated canvas body - nylon\/coated PVC type material, coach_probability <=0.05 per triage rule",
                    "photo 1: no COACH wordmark, horse-and-carriage, creed patch, or leather hangtag visible",
                    "photo 1: no solid-brass vintage turnlock or brass dogleash hardware; only small gold-tone base feet visible",
                    "photo 1: detachable dark brown crossbody strap with thin gold-tone lobster clips and slider - modern fast-fashion construction, not vintage Coach glove-tanned strap"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "gold-tone base feet on bottom corners and gold-tone lobster clips and slider on detachable strap visible in photo 1; turnlock, zipper pull stamps, and buckle details not visible",
                    "leather_description": "no glove-tanned leather visible; body appears to be brown checkerboard coated canvas \/ faux-coated material with sheen",
                    "lining_description": "not_visible",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "not_visible - bottom seam visible but stitching detail not legible",
                    "strap_construction": "photo 1: dark brown detachable adjustable crossbody strap with stitched edges, lobster-clip ends and buckle slider, bundled with paper band",
                    "turnlock_present": false
                },
                "positive_evidence": [],
                "possible_model_reasoning": [
                    "Not a Coach silhouette: zip-top checkered shoulder bag with base feet and detachable crossbody strap matches generic modern fast-fashion Damier-style bag, not any catalog Classic, Cashin, or modern Coach style",
                    "No hard identifiers visible to decode for era or model; construction (coated checkered canvas, plated feet, thin strap) points to modern non-Coach",
                    "Condition: cannot grade - only bottom view provided, front\/corners\/interior\/strap wear not assessable"
                ],
                "possible_models": [],
                "recommended_max_bid": 8,
                "seller_misidentification_probability": 0.02,
                "vintage_probability": 0.03
            }
        }
    ],
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 24096,
            "output_tokens": 673,
            "total_tokens": 24769,
            "estimated_cost_usd": 0.011254
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 25474,
            "output_tokens": 1210,
            "total_tokens": 26684,
            "estimated_cost_usd": 0.006063
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    ]
}