Vintage Coach Hunter

{
    "is_handbag_probability": 0.985,
    "coach_probability": 0.02,
    "vintage_probability": 0.02,
    "authenticity_confidence": 0.02,
    "image_quality_score": 0.83,
    "seller_misidentification_probability": 0.025,
    "confidence": 0.92,
    "recommended_max_bid": 8,
    "estimated_resale_low": 5,
    "estimated_resale_high": 22.5,
    "possible_models": [],
    "positive_evidence": [],
    "negative_evidence": [
        "photo 1: The bag has a generic rectangular crossbody silhouette with a chain-and-leather strap, tassel-like leather ties, and no visible Coach branding.",
        "photo 3: Interior is black synthetic fabric with multiple zip compartments rather than an unlined or suede-backed vintage Coach interior.",
        "photo 4: Interior label visibly reads \"NON-LEATHER MATERIAL\" and \"MADE IN CHINA,\" which is inconsistent with classic vintage Coach glove-tanned leather construction.",
        "photo 4: The visible label contains manufacturer\/production codes but no Coach creed, wordmark, or recognizable Coach style identifier.",
        "photo 1: Hardware and construction appear lightweight and fashion-bag oriented, with a decorative D-ring and gold-tone chain rather than a classic Coach turnlock.",
        "photo 4: white fabric content tag reads NON-LEATHER MATERIAL, RN# 52469, MADE IN CHINA - faux material excludes vintage Coach glove-tanned",
        "photo 3: black synthetic polyester lining with center zip divider, not unlined suede-back glove-tanned",
        "photo 1, photo 2: thin faux-leather body with sheen and slouch inconsistent with glove-tanned cowhide",
        "photo 1, photo 2: bright gold-tone chain strap segments, D-rings and zippers, not solid brass vintage hardware",
        "photo 1, photo 2: zip-top crossbody with exterior zip pocket and tassel pulls, no turnlock, no creed patch, no COACH wordmark or hangtag visible"
    ],
    "missing_information": [
        "A straight-on close-up of every interior label and zipper pull, although the visible label already strongly indicates a non-Coach bag.",
        "A bottom and side view for a complete condition assessment.",
        "Seller-stated dimensions and confirmation of any odor or hidden damage."
    ],
    "authenticity_concerns": [
        "photo 4: The visible non-leather-material label and Made in China origin are inconsistent with the construction of a vintage leather Coach handbag.",
        "photo 1: The generic design, synthetic-looking body, and chain strap are consistent with an unbranded fashion bag rather than a Coach model.",
        "No Coach creed, hangtag, wordmark, horse-and-carriage mark, or Coach-specific identifier is visible in the provided photos."
    ],
    "possible_model_reasoning": [
        "photo 1: The silhouette does not closely match the listed classic Coach models; it is a generic modern chain crossbody with exterior zipper styling.",
        "photo 4: The visible production label says MADE IN CHINA and NON-LEATHER MATERIAL, supporting a modern non-Coach classification rather than a vintage Coach era.",
        "Condition: Good to Very Good visually; the exterior shows ordinary creasing and handling marks, while the interior appears intact. Odor and hidden damage cannot be assessed from photos.",
        "No Coach identifier visible in any photo - no creed patch, no wordmark, no hangtag, no solid-brass turnlock",
        "Material tag in photo 4 conclusively non-Coach for vintage: NON-LEATHER MATERIAL, MADE IN CHINA, RN# 52469",
        "Silhouette is modern fast-fashion zip crossbody with chain, not matching any vintage Coach catalog style",
        "Condition: Good; light surface wear\/scuffing visible photo 2, no major tears shown, interior clean in photo 3"
    ],
    "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: Gold-tone chain strap, rings, clasps, zippers, and a small decorative D-ring; no Coach engraving is visible.",
        "leather_description": "photo 1: Smooth black material with a uniform synthetic\/faux-leather appearance; photo 4: label explicitly states NON-LEATHER MATERIAL.",
        "lining_description": "photo 3: Black synthetic textile lining with an interior zippered pocket; photo 4: matching black textile lining and white production label.",
        "strap_construction": "photo 1 and photo 2: Detachable long thin faux-leather strap plus a gold-tone chain section; leather\/faux-leather ties are attached near the top.",
        "stitching_description": "photo 1 and photo 2: Visible machine stitching is generally even, but the construction is generic and not sufficient to identify Coach."
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.001,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.98,
                "coach_probability": 0.02,
                "vintage_probability": 0.02,
                "authenticity_confidence": 0.02,
                "image_quality_score": 0.91,
                "seller_misidentification_probability": 0.03,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [],
                "negative_evidence": [
                    "photo 1: The bag has a generic rectangular crossbody silhouette with a chain-and-leather strap, tassel-like leather ties, and no visible Coach branding.",
                    "photo 3: Interior is black synthetic fabric with multiple zip compartments rather than an unlined or suede-backed vintage Coach interior.",
                    "photo 4: Interior label visibly reads \"NON-LEATHER MATERIAL\" and \"MADE IN CHINA,\" which is inconsistent with classic vintage Coach glove-tanned leather construction.",
                    "photo 4: The visible label contains manufacturer\/production codes but no Coach creed, wordmark, or recognizable Coach style identifier.",
                    "photo 1: Hardware and construction appear lightweight and fashion-bag oriented, with a decorative D-ring and gold-tone chain rather than a classic Coach turnlock."
                ],
                "missing_information": [
                    "A straight-on close-up of every interior label and zipper pull, although the visible label already strongly indicates a non-Coach bag.",
                    "A bottom and side view for a complete condition assessment.",
                    "Seller-stated dimensions and confirmation of any odor or hidden damage."
                ],
                "authenticity_concerns": [
                    "photo 4: The visible non-leather-material label and Made in China origin are inconsistent with the construction of a vintage leather Coach handbag.",
                    "photo 1: The generic design, synthetic-looking body, and chain strap are consistent with an unbranded fashion bag rather than a Coach model.",
                    "No Coach creed, hangtag, wordmark, horse-and-carriage mark, or Coach-specific identifier is visible in the provided photos."
                ],
                "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: Gold-tone chain strap, rings, clasps, zippers, and a small decorative D-ring; no Coach engraving is visible.",
                    "leather_description": "photo 1: Smooth black material with a uniform synthetic\/faux-leather appearance; photo 4: label explicitly states NON-LEATHER MATERIAL.",
                    "lining_description": "photo 3: Black synthetic textile lining with an interior zippered pocket; photo 4: matching black textile lining and white production label.",
                    "strap_construction": "photo 1 and photo 2: Detachable long thin faux-leather strap plus a gold-tone chain section; leather\/faux-leather ties are attached near the top.",
                    "stitching_description": "photo 1 and photo 2: Visible machine stitching is generally even, but the construction is generic and not sufficient to identify Coach."
                },
                "possible_model_reasoning": [
                    "photo 1: The silhouette does not closely match the listed classic Coach models; it is a generic modern chain crossbody with exterior zipper styling.",
                    "photo 4: The visible production label says MADE IN CHINA and NON-LEATHER MATERIAL, supporting a modern non-Coach classification rather than a vintage Coach era.",
                    "Condition: Good to Very Good visually; the exterior shows ordinary creasing and handling marks, while the interior appears intact. Odor and hidden damage cannot be assessed from photos."
                ],
                "confidence": 0.94,
                "recommended_max_bid": 8,
                "estimated_resale_low": 5,
                "estimated_resale_high": 25
            }
        },
        {
            "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": 20,
                "estimated_resale_low": 5,
                "image_quality_score": 0.75,
                "is_handbag_probability": 0.99,
                "missing_information": [],
                "negative_evidence": [
                    "photo 4: white fabric content tag reads NON-LEATHER MATERIAL, RN# 52469, MADE IN CHINA - faux material excludes vintage Coach glove-tanned",
                    "photo 3: black synthetic polyester lining with center zip divider, not unlined suede-back glove-tanned",
                    "photo 1, photo 2: thin faux-leather body with sheen and slouch inconsistent with glove-tanned cowhide",
                    "photo 1, photo 2: bright gold-tone chain strap segments, D-rings and zippers, not solid brass vintage hardware",
                    "photo 1, photo 2: zip-top crossbody with exterior zip pocket and tassel pulls, no turnlock, no creed patch, no COACH wordmark or hangtag visible"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "photo 1, photo 2: bright gold-tone chain segments, small D-rings, top and pocket coil zippers with tassel pulls; plated costume jewelry tone, not solid brass",
                    "leather_description": "photo 1, photo 2: black faux \/ non-leather material with synthetic sheen; photo 4 tag confirms NON-LEATHER MATERIAL",
                    "lining_description": "photo 3: black polyester fabric lining with interior zip divider pocket",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "photo 1: straight machine stitching around exterior pocket, thread matched to body",
                    "strap_construction": "photo 1, photo 2: thin flat faux-leather crossbody strap combined with gold-tone chain drops attached via D-rings",
                    "turnlock_present": false
                },
                "positive_evidence": [],
                "possible_model_reasoning": [
                    "No Coach identifier visible in any photo - no creed patch, no wordmark, no hangtag, no solid-brass turnlock",
                    "Material tag in photo 4 conclusively non-Coach for vintage: NON-LEATHER MATERIAL, MADE IN CHINA, RN# 52469",
                    "Silhouette is modern fast-fashion zip crossbody with chain, not matching any vintage Coach catalog style",
                    "Condition: Good; light surface wear\/scuffing visible photo 2, no major tears shown, interior clean in photo 3"
                ],
                "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": 24214,
            "output_tokens": 909,
            "total_tokens": 25123,
            "estimated_cost_usd": 0.011867
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 25185,
            "output_tokens": 1560,
            "total_tokens": 26745,
            "estimated_cost_usd": 0.006285
        }
    ]
}