Vintage Coach Hunter

{
    "is_handbag_probability": 0.99,
    "coach_probability": 0.02,
    "vintage_probability": 0.02,
    "authenticity_confidence": 0.02,
    "image_quality_score": 0.665,
    "seller_misidentification_probability": 0.02,
    "confidence": 0.855,
    "recommended_max_bid": 7.5,
    "estimated_resale_low": 5,
    "estimated_resale_high": 22.5,
    "possible_models": [],
    "positive_evidence": [],
    "negative_evidence": [
        "photo 1: Pink quilted flap shoulder-bag silhouette is visible, but no Coach branding or distinctive Coach construction appears.",
        "photo 1: The chain includes glossy molded plastic links, unlike the solid brass hardware typical of many vintage Coach bags.",
        "photo 1: The exterior appears smooth synthetic or coated material rather than identifiable glove-tanned leather.",
        "photo 2: Side construction shows a thin, manufactured-looking body with dark edging and no visible creed patch or Coach mark.",
        "photo 3: The back is plain quilted material with no wordmark, carriage, hangtag, or other Coach identifier.",
        "photo 1: The decorative chain and quilted styling are generic and do not match a catalogued vintage Coach model.",
        "photo 1-3: smooth high-sheen pink quilted material reads as faux\/PU, not glove-tanned cowhide",
        "photo 1-2: chunky pink plastic\/resin chain links with bright gold-tone rings - plastic hardware per triage rule",
        "photo 1-3: no creed patch, COACH wordmark, horse-and-carriage, hangtag, or turnlock visible",
        "photo 1-3: modern quilted flap silhouette with plastic chain does not match any vintage Coach catalog style"
    ],
    "missing_information": [
        "photo 1-3: Interior is not shown; request emptied interior, lining, labels, and any sewn-in tags.",
        "photo 1-3: No close-up of closure hardware, zipper pulls, or detachable strap attachments is provided.",
        "photo 1-3: Bottom, corners, and full strap details are not shown.",
        "Seller-stated dimensions and material composition are not provided.",
        "interior views including lining and any interior patch or labels not shown",
        "bottom and corners not shown",
        "close-up of hardware stamps and Made-in line not shown",
        "creed patch not shown - straight-on raking-light photo needed",
        "strap full length, detachable strap, and dimensions\/scale not shown"
    ],
    "authenticity_concerns": [
        "photo 1: Molded plastic chain hardware and generic quilted synthetic-looking construction are inconsistent with the usual construction of vintage Coach leather handbags.",
        "photo 1-3: No visible Coach identifier supports the possibility that this is an unbranded lookalike rather than a Coach product.",
        "photo 1-3: synthetic high-sheen material and plastic\/resin chain links inconsistent with Coach glove-tanned leather and solid-brass hardware construction"
    ],
    "possible_model_reasoning": [
        "No Coach model matches; modern fast-fashion quilted flap with plastic chain has no counterpart in 1970s-1990s glove-tanned catalog or modern Coach lines",
        "Construction triage: faux\/PU appearance plus plastic hardware caps coach_probability at 0.01-0.03 per skill",
        "Condition: appears clean\/unworn in exterior photos (photo 1-3) suggesting Like New appearance, but interior, bottom, and strap not shown so full grade cannot be assigned and lining unknown"
    ],
    "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 1-2: Glossy gold-tone rings and pink molded plastic chain links; no turnlock or branded hardware visible.",
        "leather_description": "photo 1-3: Smooth pale-pink quilted material with a synthetic or coated appearance; leather cannot be confirmed.",
        "lining_description": "not_visible",
        "strap_construction": "photo 1-2: Decorative pink plastic chain attached through gold-tone rings; listing states a detachable strap, but that strap is not clearly shown.",
        "stitching_description": "photo 1-3: Visible perimeter stitching is fairly even and tonal, though the photos do not establish Coach-quality construction."
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.0019,
    "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": 0.78,
                "seller_misidentification_probability": 0.02,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [],
                "negative_evidence": [
                    "photo 1: Pink quilted flap shoulder-bag silhouette is visible, but no Coach branding or distinctive Coach construction appears.",
                    "photo 1: The chain includes glossy molded plastic links, unlike the solid brass hardware typical of many vintage Coach bags.",
                    "photo 1: The exterior appears smooth synthetic or coated material rather than identifiable glove-tanned leather.",
                    "photo 2: Side construction shows a thin, manufactured-looking body with dark edging and no visible creed patch or Coach mark.",
                    "photo 3: The back is plain quilted material with no wordmark, carriage, hangtag, or other Coach identifier.",
                    "photo 1: The decorative chain and quilted styling are generic and do not match a catalogued vintage Coach model."
                ],
                "missing_information": [
                    "photo 1-3: Interior is not shown; request emptied interior, lining, labels, and any sewn-in tags.",
                    "photo 1-3: No close-up of closure hardware, zipper pulls, or detachable strap attachments is provided.",
                    "photo 1-3: Bottom, corners, and full strap details are not shown.",
                    "Seller-stated dimensions and material composition are not provided."
                ],
                "authenticity_concerns": [
                    "photo 1: Molded plastic chain hardware and generic quilted synthetic-looking construction are inconsistent with the usual construction of vintage Coach leather handbags.",
                    "photo 1-3: No visible Coach identifier supports the possibility that this is an unbranded lookalike rather than a Coach product."
                ],
                "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 1-2: Glossy gold-tone rings and pink molded plastic chain links; no turnlock or branded hardware visible.",
                    "leather_description": "photo 1-3: Smooth pale-pink quilted material with a synthetic or coated appearance; leather cannot be confirmed.",
                    "lining_description": "not_visible",
                    "strap_construction": "photo 1-2: Decorative pink plastic chain attached through gold-tone rings; listing states a detachable strap, but that strap is not clearly shown.",
                    "stitching_description": "photo 1-3: Visible perimeter stitching is fairly even and tonal, though the photos do not establish Coach-quality construction."
                },
                "possible_model_reasoning": [],
                "confidence": 0.86,
                "recommended_max_bid": 7,
                "estimated_resale_low": 5,
                "estimated_resale_high": 25
            }
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "result": {
                "authenticity_concerns": [
                    "photo 1-3: synthetic high-sheen material and plastic\/resin chain links inconsistent with Coach glove-tanned leather and solid-brass hardware construction"
                ],
                "authenticity_confidence": 0.02,
                "coach_probability": 0.02,
                "confidence": 0.85,
                "estimated_era": "modern (2000s+), non-Coach",
                "estimated_resale_high": 20,
                "estimated_resale_low": 5,
                "image_quality_score": 0.55,
                "is_handbag_probability": 0.99,
                "missing_information": [
                    "interior views including lining and any interior patch or labels not shown",
                    "bottom and corners not shown",
                    "close-up of hardware stamps and Made-in line not shown",
                    "creed patch not shown - straight-on raking-light photo needed",
                    "strap full length, detachable strap, and dimensions\/scale not shown"
                ],
                "negative_evidence": [
                    "photo 1-3: smooth high-sheen pink quilted material reads as faux\/PU, not glove-tanned cowhide",
                    "photo 1-2: chunky pink plastic\/resin chain links with bright gold-tone rings - plastic hardware per triage rule",
                    "photo 1-3: no creed patch, COACH wordmark, horse-and-carriage, hangtag, or turnlock visible",
                    "photo 1-3: modern quilted flap silhouette with plastic chain does not match any vintage Coach catalog style"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "bright gold-tone metal rings with pink plastic\/resin oversized chain links; no turnlock; no COACH stamping visible",
                    "leather_description": "light pink smooth material with high synthetic sheen and quilted diamond puff, reads as faux\/PU leather, not glove-tanned cowhide",
                    "lining_description": "not_visible",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "light edge stitching around flap and body visible in photo 1 and photo 3; no detail of stress-point stitching",
                    "strap_construction": "short top handle of alternating pink plastic links and gold-tone rings attached via gold-tone D-rings; seller states detachable strap but full strap not shown",
                    "turnlock_present": false
                },
                "positive_evidence": [],
                "possible_model_reasoning": [
                    "No Coach model matches; modern fast-fashion quilted flap with plastic chain has no counterpart in 1970s-1990s glove-tanned catalog or modern Coach lines",
                    "Construction triage: faux\/PU appearance plus plastic hardware caps coach_probability at 0.01-0.03 per skill",
                    "Condition: appears clean\/unworn in exterior photos (photo 1-3) suggesting Like New appearance, but interior, bottom, and strap not shown so full grade cannot be assigned and lining unknown"
                ],
                "possible_models": [],
                "recommended_max_bid": 8,
                "seller_misidentification_probability": 0.02,
                "vintage_probability": 0.02
            }
        }
    ],
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 23017,
            "output_tokens": 694,
            "total_tokens": 23711,
            "estimated_cost_usd": 0.010872
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 24138,
            "output_tokens": 1455,
            "total_tokens": 25593,
            "estimated_cost_usd": 0.005992
        }
    ]
}