Vintage Coach Hunter

{
    "is_handbag_probability": 0.96,
    "coach_probability": 0.02,
    "vintage_probability": 0.02,
    "authenticity_confidence": 0.02,
    "image_quality_score": 0.71,
    "seller_misidentification_probability": 0.05,
    "confidence": 0.9,
    "recommended_max_bid": 10,
    "estimated_resale_low": 7.5,
    "estimated_resale_high": 27.5,
    "possible_models": [],
    "positive_evidence": [
        "photo 2: object has a handbag\/clutch silhouette and a detachable-looking chain shoulder strap."
    ],
    "negative_evidence": [
        "photo 1: glossy hard-shell white acrylic\/plastic construction is inconsistent with vintage Coach glove-tanned leather.",
        "photo 2: smooth sculptural shell, chain strap, and decorative gold-tone clasp do not match the construction of documented vintage Coach classics.",
        "photo 3: seller-provided dimensions describe a small evening clutch; no Coach branding or leather construction is visible.",
        "photo 4: hard-shell body and contemporary presentation support a modern unbranded evening bag rather than Coach.",
        "photo 1-5: hard-shell white acrylic\/resin clutch, not glove-tanned leather",
        "photo 1-5: no creed patch, no COACH wordmark, no horse-and-carriage visible",
        "photo 2-3: thin gold-tone chain strap and oval kiss-clasp, not vintage Coach solid brass turnlock\/dogleash construction",
        "photo 3: seller dimensions 23x14x8cm acrylic evening clutch silhouette matches modern fast-fashion, no Coach catalog match"
    ],
    "missing_information": [
        "Interior, closure mechanism, and any underside or maker label are not shown.",
        "A close-up of the clasp, chain attachments, and interior label would identify the actual manufacturer if present.",
        "Condition of the acrylic shell and clasp is difficult to judge from the bright lifestyle photos.",
        "interior \/ lining not shown - photo 1-5: exterior only",
        "creed patch \/ brand stamp close-up not shown",
        "hardware engravings not shown"
    ],
    "authenticity_concerns": [
        "photo 1: hard acrylic\/plastic material and sculptural form are inconsistent with the vintage Coach leather-bag population.",
        "photo 2: the oversized decorative oval clasp is a lookalike-style feature, not a recognizable vintage Coach turnlock.",
        "photo 3: no creed patch, serial\/style number, Coach wordmark, or horse-and-carriage identifier is visible."
    ],
    "possible_model_reasoning": [
        "The silhouette is a modern hard-shell evening clutch, not a close match for the listed vintage Coach leather models.",
        "Condition: not gradable beyond an apparently intact exterior; interior, underside, and functional hardware are not shown.",
        "No Coach model fits: Coach vintage classics are unlined glove-tanned leather with brass turnlock; this is molded acrylic clutch with kiss clasp and chain, a construction Coach did not use in vintage era",
        "Condition: appears New\/Like New exterior in photos 1-5, but interior unknown so grade 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: reflective gold-tone oval decorative clasp with a central seam\/turning-looking element; chain hardware visible in photos 2-3.",
        "leather_description": "photo 1: smooth opaque white hard-shell acrylic\/plastic appearance; leather is not visible.",
        "lining_description": "not_visible",
        "strap_construction": "photos 2-3: long gold-tone chain shoulder strap attached at two upper side points.",
        "stitching_description": "not_visible - no stitching on hard-shell body"
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.0019,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.97,
                "coach_probability": 0.02,
                "vintage_probability": 0.02,
                "authenticity_confidence": 0.02,
                "image_quality_score": 0.82,
                "seller_misidentification_probability": 0.08,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [
                    "photo 2: object has a handbag\/clutch silhouette and a detachable-looking chain shoulder strap."
                ],
                "negative_evidence": [
                    "photo 1: glossy hard-shell white acrylic\/plastic construction is inconsistent with vintage Coach glove-tanned leather.",
                    "photo 2: smooth sculptural shell, chain strap, and decorative gold-tone clasp do not match the construction of documented vintage Coach classics.",
                    "photo 3: seller-provided dimensions describe a small evening clutch; no Coach branding or leather construction is visible.",
                    "photo 4: hard-shell body and contemporary presentation support a modern unbranded evening bag rather than Coach."
                ],
                "missing_information": [
                    "Interior, closure mechanism, and any underside or maker label are not shown.",
                    "A close-up of the clasp, chain attachments, and interior label would identify the actual manufacturer if present.",
                    "Condition of the acrylic shell and clasp is difficult to judge from the bright lifestyle photos."
                ],
                "authenticity_concerns": [
                    "photo 1: hard acrylic\/plastic material and sculptural form are inconsistent with the vintage Coach leather-bag population.",
                    "photo 2: the oversized decorative oval clasp is a lookalike-style feature, not a recognizable vintage Coach turnlock.",
                    "photo 3: no creed patch, serial\/style number, Coach wordmark, or horse-and-carriage identifier is visible."
                ],
                "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": true,
                    "hangtag_present": false,
                    "hardware_description": "photo 1: reflective gold-tone oval decorative clasp with a central seam\/turning-looking element; chain hardware visible in photos 2-3.",
                    "leather_description": "photo 1: smooth opaque white hard-shell acrylic\/plastic appearance; leather is not visible.",
                    "lining_description": "not_visible",
                    "strap_construction": "photos 2-3: long gold-tone chain shoulder strap attached at two upper side points.",
                    "stitching_description": "not_visible"
                },
                "possible_model_reasoning": [
                    "The silhouette is a modern hard-shell evening clutch, not a close match for the listed vintage Coach leather models.",
                    "Condition: not gradable beyond an apparently intact exterior; interior, underside, and functional hardware are not shown."
                ],
                "confidence": 0.9,
                "recommended_max_bid": 8,
                "estimated_resale_low": 5,
                "estimated_resale_high": 30
            }
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "result": {
                "authenticity_concerns": [],
                "authenticity_confidence": 0.02,
                "coach_probability": 0.02,
                "confidence": 0.9,
                "estimated_era": "modern (2000s+), non-Coach",
                "estimated_resale_high": 25,
                "estimated_resale_low": 10,
                "image_quality_score": 0.6,
                "is_handbag_probability": 0.95,
                "missing_information": [
                    "interior \/ lining not shown - photo 1-5: exterior only",
                    "creed patch \/ brand stamp close-up not shown",
                    "hardware engravings not shown"
                ],
                "negative_evidence": [
                    "photo 1-5: hard-shell white acrylic\/resin clutch, not glove-tanned leather",
                    "photo 1-5: no creed patch, no COACH wordmark, no horse-and-carriage visible",
                    "photo 2-3: thin gold-tone chain strap and oval kiss-clasp, not vintage Coach solid brass turnlock\/dogleash construction",
                    "photo 3: seller dimensions 23x14x8cm acrylic evening clutch silhouette matches modern fast-fashion, no Coach catalog match"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "gold-tone oval kiss \/ clasp closure on top, thin gold-tone chain crossbody strap visible in photo 2-3",
                    "leather_description": "no leather visible; smooth white hard-shell acrylic\/resin body per photos 1-5",
                    "lining_description": "not_visible",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "not_visible - no stitching on hard-shell body",
                    "strap_construction": "thin gold-tone metal chain shoulder\/crossbody strap attached at sides, photo 2-3",
                    "turnlock_present": false
                },
                "positive_evidence": [],
                "possible_model_reasoning": [
                    "No Coach model fits: Coach vintage classics are unlined glove-tanned leather with brass turnlock; this is molded acrylic clutch with kiss clasp and chain, a construction Coach did not use in vintage era",
                    "Condition: appears New\/Like New exterior in photos 1-5, but interior unknown so grade capped"
                ],
                "possible_models": [],
                "recommended_max_bid": 12,
                "seller_misidentification_probability": 0.02,
                "vintage_probability": 0.02
            }
        }
    ],
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 19031,
            "output_tokens": 569,
            "total_tokens": 19600,
            "estimated_cost_usd": 0.008978
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 19447,
            "output_tokens": 871,
            "total_tokens": 20318,
            "estimated_cost_usd": 0.004586
        }
    ]
}