Vintage Coach Hunter

{
    "is_handbag_probability": 0.97,
    "coach_probability": 0.02,
    "vintage_probability": 0.015,
    "authenticity_confidence": 0.02,
    "image_quality_score": 0.73,
    "seller_misidentification_probability": 0.03,
    "confidence": 0.89,
    "recommended_max_bid": 11,
    "estimated_resale_low": 12.5,
    "estimated_resale_high": 37.5,
    "possible_models": [],
    "positive_evidence": [],
    "negative_evidence": [
        "photo 1: four small quilted bags are visible, but none shows a Coach wordmark, carriage, creed patch, or recognizable Coach construction.",
        "photo 1: the glossy quilted surfaces, decorative chain details, and compact zip-top silhouettes look like inexpensive modern fashion bags rather than vintage glove-tanned Coach.",
        "photos 2-6: visible hardware is primarily zippers, decorative chains, and charms; no classic Coach turnlock or vintage solid-brass construction is apparent.",
        "photos 1-6: the lot contains four highly similar colorful bags, consistent with generic mass-market production rather than identifiable vintage Coach models.",
        "photo 1: four small quilted zip-top vanity-case mini bags, silhouette never used by Coach vintage classics",
        "photo 1-6: high-gloss patent-like quilted synthetic material, not glove-tanned cowhide",
        "photo 2-6: thin bright gold-tone and silver-tone plated zippers and chain-link straps, not solid brass vintage hardware",
        "photo 1-6: no turnlock, no leather hangtag, no COACH wordmark or carriage visible",
        "photo 6: long chain-and-faux-leather crossbody strap, not Coach dogleash or buckle-adjust leather strap"
    ],
    "missing_information": [
        "photo 1: interiors, lining, and any sewn-in brand or care labels are not shown.",
        "photos 1-6: no close-up of the underside, interior seams, zipper pulls, or any hidden markings is provided.",
        "photos 1-6: exact material composition, dimensions, and functional condition of the zippers and straps are not provided.",
        "interior lining and any interior patch or label not shown (photos 1-6 show exterior only)",
        "creed patch close-up not shown",
        "hardware brand stamps on zipper pulls not shown"
    ],
    "authenticity_concerns": [
        "photos 1-6: glossy quilted material and decorative chain hardware are inconsistent with the leather, hardware, and silhouettes of the vintage Coach models in the reference catalog.",
        "photos 1-6: no Coach identifier is visible on any of the four bags; they appear to be generic or lookalike fashion bags.",
        "photo 1-6: synthetic quilted mini vanity construction with plated chain straps inconsistent with any vintage Coach glove-tanned construction",
        "photo 1-6: no Coach creed, wordmark, hangtag, or solid-brass hardware visible to support Coach manufacture"
    ],
    "possible_model_reasoning": [
        "No Coach catalog style matches quilted synthetic zip vanity mini with chain strap; classic Coach models are unlined glove-tanned flap bags with turnlock and solid brass",
        "Materials, hardware finish, and multi-bag lot format point to modern fast-fashion, not Coach",
        "Condition: appears Like New\/unused exterior (photos 1-6), but interior not shown so lining and odor unknown; grade capped by missing interior views"
    ],
    "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 1-6: zip closures, mixed-tone decorative chain straps, small charms, and top handles are visible; no Coach-style turnlock is visible.",
        "leather_description": "photos 1-6: glossy, smooth quilted material is visible; it appears more consistent with synthetic or coated fashion material than vintage glove-tanned cowhide, though composition cannot be confirmed.",
        "lining_description": "not_visible",
        "strap_construction": "photos 1-6: short top handles and chain-accented crossbody straps are visible; several straps include matching material woven or attached through the chain.",
        "stitching_description": "photos 1-6: diamond quilting and perimeter seams are visible; stitching appears machine-produced, with some loose threads visible near the upper edge of the brown bag."
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.0025,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.99,
                "coach_probability": 0.02,
                "vintage_probability": 0.01,
                "authenticity_confidence": 0.02,
                "image_quality_score": 0.86,
                "seller_misidentification_probability": 0.03,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [],
                "negative_evidence": [
                    "photo 1: four small quilted bags are visible, but none shows a Coach wordmark, carriage, creed patch, or recognizable Coach construction.",
                    "photo 1: the glossy quilted surfaces, decorative chain details, and compact zip-top silhouettes look like inexpensive modern fashion bags rather than vintage glove-tanned Coach.",
                    "photos 2-6: visible hardware is primarily zippers, decorative chains, and charms; no classic Coach turnlock or vintage solid-brass construction is apparent.",
                    "photos 1-6: the lot contains four highly similar colorful bags, consistent with generic mass-market production rather than identifiable vintage Coach models."
                ],
                "missing_information": [
                    "photo 1: interiors, lining, and any sewn-in brand or care labels are not shown.",
                    "photos 1-6: no close-up of the underside, interior seams, zipper pulls, or any hidden markings is provided.",
                    "photos 1-6: exact material composition, dimensions, and functional condition of the zippers and straps are not provided."
                ],
                "authenticity_concerns": [
                    "photos 1-6: glossy quilted material and decorative chain hardware are inconsistent with the leather, hardware, and silhouettes of the vintage Coach models in the reference catalog.",
                    "photos 1-6: no Coach identifier is visible on any of the four bags; they appear to be generic or lookalike fashion bags."
                ],
                "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 1-6: zip closures, mixed-tone decorative chain straps, small charms, and top handles are visible; no Coach-style turnlock is visible.",
                    "leather_description": "photos 1-6: glossy, smooth quilted material is visible; it appears more consistent with synthetic or coated fashion material than vintage glove-tanned cowhide, though composition cannot be confirmed.",
                    "lining_description": "not_visible",
                    "strap_construction": "photos 1-6: short top handles and chain-accented crossbody straps are visible; several straps include matching material woven or attached through the chain.",
                    "stitching_description": "photos 1-6: diamond quilting and perimeter seams are visible; stitching appears machine-produced, with some loose threads visible near the upper edge of the brown bag."
                },
                "possible_model_reasoning": [],
                "confidence": 0.9,
                "recommended_max_bid": 10,
                "estimated_resale_low": 15,
                "estimated_resale_high": 50
            }
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "result": {
                "authenticity_concerns": [
                    "photo 1-6: synthetic quilted mini vanity construction with plated chain straps inconsistent with any vintage Coach glove-tanned construction",
                    "photo 1-6: no Coach creed, wordmark, hangtag, or solid-brass hardware visible to support Coach manufacture"
                ],
                "authenticity_confidence": 0.02,
                "coach_probability": 0.02,
                "confidence": 0.88,
                "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 and any interior patch or label not shown (photos 1-6 show exterior only)",
                    "creed patch close-up not shown",
                    "hardware brand stamps on zipper pulls not shown"
                ],
                "negative_evidence": [
                    "photo 1: four small quilted zip-top vanity-case mini bags, silhouette never used by Coach vintage classics",
                    "photo 1-6: high-gloss patent-like quilted synthetic material, not glove-tanned cowhide",
                    "photo 2-6: thin bright gold-tone and silver-tone plated zippers and chain-link straps, not solid brass vintage hardware",
                    "photo 1-6: no turnlock, no leather hangtag, no COACH wordmark or carriage visible",
                    "photo 6: long chain-and-faux-leather crossbody strap, not Coach dogleash or buckle-adjust leather strap"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "bright gold-tone and silver-tone plated exposed zippers with faux-leather pull tabs; thin chain-link crossbody straps interwoven with faux leather; heart and ball charms on red bag",
                    "leather_description": "quilted diamond-stitched high-shine smooth material with patent-like glare in photos 1,2,4,5, consistent with synthetic 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": "diamond quilt stitching visible on all four bags; tone-matched thread; machine stitched",
                    "strap_construction": "short padded top handles plus detachable chain-and-synthetic crossbody straps seen in photos 3,4,6",
                    "turnlock_present": false
                },
                "positive_evidence": [],
                "possible_model_reasoning": [
                    "No Coach catalog style matches quilted synthetic zip vanity mini with chain strap; classic Coach models are unlined glove-tanned flap bags with turnlock and solid brass",
                    "Materials, hardware finish, and multi-bag lot format point to modern fast-fashion, not Coach",
                    "Condition: appears Like New\/unused exterior (photos 1-6), but interior not shown so lining and odor unknown; grade capped by missing interior views"
                ],
                "possible_models": [],
                "recommended_max_bid": 12,
                "seller_misidentification_probability": 0.03,
                "vintage_probability": 0.02
            }
        }
    ],
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 28780,
            "output_tokens": 720,
            "total_tokens": 29500,
            "estimated_cost_usd": 0.01324
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 30093,
            "output_tokens": 1422,
            "total_tokens": 31515,
            "estimated_cost_usd": 0.007156
        }
    ]
}