Vintage Coach Hunter

{
    "is_handbag_probability": 0.985,
    "coach_probability": 0.025,
    "vintage_probability": 0.34,
    "authenticity_confidence": 0.025,
    "image_quality_score": 0.735,
    "seller_misidentification_probability": 0.49,
    "confidence": 0.855,
    "recommended_max_bid": 9,
    "estimated_resale_low": 5,
    "estimated_resale_high": 27.5,
    "possible_models": [],
    "positive_evidence": [
        "photo 1-6: is a structured flap handbag with top handle, so handbag object is clear"
    ],
    "negative_evidence": [
        "photo 1: glossy faux\/patent-looking embossed material is inconsistent with typical vintage Coach glove-tanned leather",
        "photo 1: decorative gold-tone clasp is not a recognizable Coach turnlock",
        "photo 1: no Coach wordmark, carriage, creed patch, or hangtag is visible",
        "photos 2-5: generic structured silhouette and synthetic-looking construction provide no Coach-specific identification",
        "photo 6: exterior is visible but no Coach branding or identifying stamp appears",
        "photo 1-6: glossy faux patent croc\/snake-embossed outer - seller states faux leather, not Coach glove-tanned cowhide",
        "photo 1,4,5: bright gold-tone plated clasp and strap brackets, not vintage solid brass turnlock with Coach geometry",
        "photo 1-6: no COACH wordmark, horse-and-carriage, creed patch, or leather hangtag visible",
        "photo 1,6: flap + tab-clasp silhouette with top handle on metal brackets does not match any catalog Coach classic"
    ],
    "missing_information": [
        "photo 1-6: interior, lining, interior labels, and any creed patch are not shown",
        "photo 1-6: zipper, underside of clasp, and hardware markings are not shown",
        "photo 1-6: material composition cannot be verified beyond the seller's faux-leather description",
        "photo of interior emptied and lining to confirm construction (photos show exterior only)",
        "photo of any interior brand label \/ creed patch \/ made-in tag straight-on in raking light",
        "photo of hardware engravings \/ zipper-pull brand stamp"
    ],
    "authenticity_concerns": [
        "photos 1-6: faux patent crocodile embossing and an oversized decorative clasp are lookalike cues rather than Coach construction cues",
        "photos 1-6: no Coach identifiers are visible, so a Coach attribution is unsupported"
    ],
    "possible_model_reasoning": [
        "No Coach model fits: material is faux patent embossed (Coach vintage is glove-tanned leather), hardware is bright gold-tone plate with non-Coach clasp geometry, no identifiers, silhouette not in catalog",
        "Condition: Good to Very Good exterior for vintage faux - gloss intact with normal wear per seller, no bottom\/interior views so 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": "photos 1-5: gold-tone rectangular strap mounts and a ribbed gold-tone decorative clasp; no visible Coach engraving",
        "leather_description": "photos 1-6: glossy black faux\/patent-looking material with crocodile embossing, consistent with seller's faux-leather description",
        "lining_description": "not_visible",
        "strap_construction": "photos 1-6: single short top handle attached with gold-tone rectangular fittings",
        "stitching_description": "photos 1-6: visible perimeter stitching appears generally even; close stress-point and interior stitching are not shown"
    },
    "ensemble_agreement": "MEDIUM",
    "ensemble_variance": 0.0423,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.98,
                "coach_probability": 0.03,
                "vintage_probability": 0.08,
                "authenticity_confidence": 0.03,
                "image_quality_score": 0.82,
                "seller_misidentification_probability": 0.96,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [],
                "negative_evidence": [
                    "photo 1: glossy faux\/patent-looking embossed material is inconsistent with typical vintage Coach glove-tanned leather",
                    "photo 1: decorative gold-tone clasp is not a recognizable Coach turnlock",
                    "photo 1: no Coach wordmark, carriage, creed patch, or hangtag is visible",
                    "photos 2-5: generic structured silhouette and synthetic-looking construction provide no Coach-specific identification",
                    "photo 6: exterior is visible but no Coach branding or identifying stamp appears"
                ],
                "missing_information": [
                    "photo 1-6: interior, lining, interior labels, and any creed patch are not shown",
                    "photo 1-6: zipper, underside of clasp, and hardware markings are not shown",
                    "photo 1-6: material composition cannot be verified beyond the seller's faux-leather description"
                ],
                "authenticity_concerns": [
                    "photos 1-6: faux patent crocodile embossing and an oversized decorative clasp are lookalike cues rather than Coach construction cues",
                    "photos 1-6: no Coach identifiers are visible, so a Coach attribution is unsupported"
                ],
                "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": "photos 1-5: gold-tone rectangular strap mounts and a ribbed gold-tone decorative clasp; no visible Coach engraving",
                    "leather_description": "photos 1-6: glossy black faux\/patent-looking material with crocodile embossing, consistent with seller's faux-leather description",
                    "lining_description": "not_visible",
                    "strap_construction": "photos 1-6: single short top handle attached with gold-tone rectangular fittings",
                    "stitching_description": "photos 1-6: visible perimeter stitching appears generally even; close stress-point and interior stitching are not shown"
                },
                "possible_model_reasoning": [],
                "confidence": 0.86,
                "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": 0.85,
                "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": [
                    "photo of interior emptied and lining to confirm construction (photos show exterior only)",
                    "photo of any interior brand label \/ creed patch \/ made-in tag straight-on in raking light",
                    "photo of hardware engravings \/ zipper-pull brand stamp"
                ],
                "negative_evidence": [
                    "photo 1-6: glossy faux patent croc\/snake-embossed outer - seller states faux leather, not Coach glove-tanned cowhide",
                    "photo 1,4,5: bright gold-tone plated clasp and strap brackets, not vintage solid brass turnlock with Coach geometry",
                    "photo 1-6: no COACH wordmark, horse-and-carriage, creed patch, or leather hangtag visible",
                    "photo 1,6: flap + tab-clasp silhouette with top handle on metal brackets does not match any catalog Coach classic"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "gold-tone clasp at flap tab and rectangular strap brackets; bright plated appearance, not solid brass turnlock; no engraving legible",
                    "leather_description": "black high-gloss faux patent with croc\/snake emboss - seller states faux leather, not glove-tanned full-grain",
                    "lining_description": "not_visible",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "edge stitching visible around flap and handle, tone-on-tone; no detail to indicate Coach",
                    "strap_construction": "short fixed top handle in same faux material attached via gold-tone metal brackets, not adjustable or dogleash-clip",
                    "turnlock_present": false
                },
                "positive_evidence": [
                    "photo 1-6: is a structured flap handbag with top handle, so handbag object is clear"
                ],
                "possible_model_reasoning": [
                    "No Coach model fits: material is faux patent embossed (Coach vintage is glove-tanned leather), hardware is bright gold-tone plate with non-Coach clasp geometry, no identifiers, silhouette not in catalog",
                    "Condition: Good to Very Good exterior for vintage faux - gloss intact with normal wear per seller, no bottom\/interior views so capped"
                ],
                "possible_models": [],
                "recommended_max_bid": 10,
                "seller_misidentification_probability": 0.02,
                "vintage_probability": 0.6
            }
        }
    ],
    "_usage": [
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            "output_tokens": 664,
            "total_tokens": 18371,
            "estimated_cost_usd": 0.008676
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 18048,
            "output_tokens": 1114,
            "total_tokens": 19162,
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}