Vintage Coach Hunter

{
    "is_handbag_probability": 0.98,
    "coach_probability": 0.025,
    "vintage_probability": 0.035,
    "authenticity_confidence": 0.025,
    "image_quality_score": 0.735,
    "seller_misidentification_probability": 0.025,
    "confidence": 0.84,
    "recommended_max_bid": 8,
    "estimated_resale_low": 7.5,
    "estimated_resale_high": 25,
    "possible_models": [],
    "positive_evidence": [
        "photo 1: Clearly a small crossbody handbag with a long adjustable strap and multiple zippered compartments."
    ],
    "negative_evidence": [
        "photo 1: Exterior uses an irregular black-and-white printed grid pattern rather than Coach Signature C canvas or an identifiable Coach design.",
        "photo 1: Glossy black trim appears synthetic or patent-like, not vintage glove-tanned leather.",
        "photo 1: No Coach wordmark, horse-and-carriage, hangtag, or recognizable Coach hardware is visible.",
        "photo 4: Interior is black fabric and shows no visible leather creed patch or Coach label.",
        "photo 1: The hardware and zipper arrangement appear generic and do not match a classic vintage Coach silhouette.",
        "photo 1, photo 2: body is black with white irregular dot print fabric\/coated canvas, not glove-tanned cowhide",
        "photo 1, photo 2: thin black patent-look trim and crossbody strap, not vintage solid-brass and glove-tanned construction",
        "photo 3: black synthetic fabric lining with slip pocket, not unlined suede-back glove-tanned interior",
        "photo 1, photo 2, photo 3: no creed patch, no COACH wordmark, no horse-and-carriage, no hangtag visible",
        "photo 1: gold-tone zipper with plain pull, no turnlock closure"
    ],
    "missing_information": [
        "A straight-on photograph of the entire interior, including all pockets and seams, would confirm whether any brand or fabric tag is present.",
        "Close-up photographs of the zipper pulls, strap attachments, and bottom corners are not provided.",
        "Seller-stated dimensions, material composition, and country-of-origin information are unavailable.",
        "photo of any interior leather creed patch or fabric brand tag straight-on in raking light",
        "photo of hardware engravings \/ zipper-pull brand stamp",
        "photo of bottom corners and strap buckle holes \/ fold point"
    ],
    "authenticity_concerns": [
        "photo 1: The non-Coach-looking printed textile, glossy synthetic trim, and generic construction are inconsistent with classic vintage Coach construction.",
        "photo 4: No Coach identifier is visible in the interior photo; this is consistent with an ordinary unbranded bag, though the interior coverage is incomplete."
    ],
    "possible_model_reasoning": [
        "The compact rectangular zip-top crossbody format is common among generic modern handbags but does not closely match a listed vintage Coach model based on the visible exterior.",
        "The black-and-white irregular grid print and glossy trim suggest a modern, non-Coach fashion bag rather than a pre-2000 Coach glove-tanned leather bag.",
        "Condition: Good to Very Good visually; the bag appears intact, but the strap and glossy trim show creasing or surface wear in photos 1-2, and odor, hardware function, and unseen areas cannot be assessed.",
        "small zip-top crossbody silhouette exists across many brands including modern Coach, but without creed, wordmark, glove-tanned leather, solid brass or turnlock there is no basis for a Coach model match",
        "Condition: appears Excellent to Very Good in shown views - print clean, trim intact, interior clean in photo 3; bottom corners, strap fold and full hardware not shown 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: Gold-tone zipper teeth and small gold-tone attachment hardware with glossy black trim; no branded engraving is visible.",
        "leather_description": "photo 1: Glossy black trim appears patent-like or synthetic; the patterned body appears textile or coated material rather than glove-tanned leather.",
        "lining_description": "photo 4: Black fabric lining with an interior zippered pocket; no brand label or creed patch is visible.",
        "strap_construction": "photos 1-2: Long narrow adjustable crossbody strap with glossy black finish and gold-tone adjustment hardware; visible surface wear or creasing is present.",
        "stitching_description": "photos 1-2 and 4: Machine stitching appears generally even and visible around the trim and interior pocket; no distinctive Coach construction cue is apparent."
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.0013,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.99,
                "coach_probability": 0.02,
                "vintage_probability": 0.03,
                "authenticity_confidence": 0.02,
                "image_quality_score": 0.82,
                "seller_misidentification_probability": 0.02,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [
                    "photo 1: Clearly a small crossbody handbag with a long adjustable strap and multiple zippered compartments."
                ],
                "negative_evidence": [
                    "photo 1: Exterior uses an irregular black-and-white printed grid pattern rather than Coach Signature C canvas or an identifiable Coach design.",
                    "photo 1: Glossy black trim appears synthetic or patent-like, not vintage glove-tanned leather.",
                    "photo 1: No Coach wordmark, horse-and-carriage, hangtag, or recognizable Coach hardware is visible.",
                    "photo 4: Interior is black fabric and shows no visible leather creed patch or Coach label.",
                    "photo 1: The hardware and zipper arrangement appear generic and do not match a classic vintage Coach silhouette."
                ],
                "missing_information": [
                    "A straight-on photograph of the entire interior, including all pockets and seams, would confirm whether any brand or fabric tag is present.",
                    "Close-up photographs of the zipper pulls, strap attachments, and bottom corners are not provided.",
                    "Seller-stated dimensions, material composition, and country-of-origin information are unavailable."
                ],
                "authenticity_concerns": [
                    "photo 1: The non-Coach-looking printed textile, glossy synthetic trim, and generic construction are inconsistent with classic vintage Coach construction.",
                    "photo 4: No Coach identifier is visible in the interior photo; this is consistent with an ordinary unbranded bag, though the interior coverage is incomplete."
                ],
                "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 zipper teeth and small gold-tone attachment hardware with glossy black trim; no branded engraving is visible.",
                    "leather_description": "photo 1: Glossy black trim appears patent-like or synthetic; the patterned body appears textile or coated material rather than glove-tanned leather.",
                    "lining_description": "photo 4: Black fabric lining with an interior zippered pocket; no brand label or creed patch is visible.",
                    "strap_construction": "photos 1-2: Long narrow adjustable crossbody strap with glossy black finish and gold-tone adjustment hardware; visible surface wear or creasing is present.",
                    "stitching_description": "photos 1-2 and 4: Machine stitching appears generally even and visible around the trim and interior pocket; no distinctive Coach construction cue is apparent."
                },
                "possible_model_reasoning": [
                    "The compact rectangular zip-top crossbody format is common among generic modern handbags but does not closely match a listed vintage Coach model based on the visible exterior.",
                    "The black-and-white irregular grid print and glossy trim suggest a modern, non-Coach fashion bag rather than a pre-2000 Coach glove-tanned leather bag.",
                    "Condition: Good to Very Good visually; the bag appears intact, but the strap and glossy trim show creasing or surface wear in photos 1-2, and odor, hardware function, and unseen areas cannot be assessed."
                ],
                "confidence": 0.88,
                "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": 0.03,
                "coach_probability": 0.03,
                "confidence": 0.8,
                "estimated_era": "modern (2000s+), non-Coach",
                "estimated_resale_high": 25,
                "estimated_resale_low": 10,
                "image_quality_score": 0.65,
                "is_handbag_probability": 0.97,
                "missing_information": [
                    "photo of any interior leather creed patch or fabric brand tag straight-on in raking light",
                    "photo of hardware engravings \/ zipper-pull brand stamp",
                    "photo of bottom corners and strap buckle holes \/ fold point"
                ],
                "negative_evidence": [
                    "photo 1, photo 2: body is black with white irregular dot print fabric\/coated canvas, not glove-tanned cowhide",
                    "photo 1, photo 2: thin black patent-look trim and crossbody strap, not vintage solid-brass and glove-tanned construction",
                    "photo 3: black synthetic fabric lining with slip pocket, not unlined suede-back glove-tanned interior",
                    "photo 1, photo 2, photo 3: no creed patch, no COACH wordmark, no horse-and-carriage, no hangtag visible",
                    "photo 1: gold-tone zipper with plain pull, no turnlock closure"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "gold-tone zip teeth and zipper pull with black tab in photo 1 and photo 3; small gold-tone rivets and strap rings in photo 2; plated appearance, not solid vintage brass",
                    "leather_description": "no glove-tanned leather visible; printed dot fabric\/coated textile body with black patent-look trim and strap",
                    "lining_description": "black fabric lining with center slip pocket visible in photo 3",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "not_visible in detail; edge stitching along trim only, no assessment",
                    "strap_construction": "thin black patent-look adjustable crossbody strap with buckle slider, attached with riveted tabs in photo 1 and photo 2",
                    "turnlock_present": false
                },
                "positive_evidence": [],
                "possible_model_reasoning": [
                    "small zip-top crossbody silhouette exists across many brands including modern Coach, but without creed, wordmark, glove-tanned leather, solid brass or turnlock there is no basis for a Coach model match",
                    "Condition: appears Excellent to Very Good in shown views - print clean, trim intact, interior clean in photo 3; bottom corners, strap fold and full hardware not shown so grade capped"
                ],
                "possible_models": [],
                "recommended_max_bid": 8,
                "seller_misidentification_probability": 0.03,
                "vintage_probability": 0.04
            }
        }
    ],
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 24092,
            "output_tokens": 781,
            "total_tokens": 24873,
            "estimated_cost_usd": 0.011511
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 25468,
            "output_tokens": 1046,
            "total_tokens": 26514,
            "estimated_cost_usd": 0.00593
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    ]
}