Vintage Coach Hunter

{
    "is_handbag_probability": 0.985,
    "coach_probability": 0.02,
    "vintage_probability": 0.02,
    "authenticity_confidence": 0.025,
    "image_quality_score": 0.78,
    "seller_misidentification_probability": 0.1,
    "confidence": 0.87,
    "recommended_max_bid": 10,
    "estimated_resale_low": 5,
    "estimated_resale_high": 25,
    "possible_models": [],
    "positive_evidence": [],
    "negative_evidence": [
        "photo 1: the bag has a glossy embossed crocodile-pattern exterior, gold-tone chain strap, and zip-top vanity-bag construction rather than a recognizable vintage Coach silhouette",
        "photo 2: visible hardware and zipper are generic gold-tone components; no Coach stamp is visible",
        "photo 3: no Coach wordmark, carriage, creed patch, or hangtag is visible",
        "photo 4: interior view shows fabric lining and a compact zippered compartment, with no visible Coach identifier",
        "photo 5: proportions and construction match a modern fashion\/evening bag, not a typical vintage Coach glove-tanned leather classic",
        "photo 1-5: red croc-embossed coated finish with high gloss, not vintage Coach glove-tanned cowhide",
        "photo 1-5: bright gold-tone plated chain detachable strap and zipper, not solid brass vintage hardware",
        "photo 1,3,5: zip-top vanity-case \/ mini top-handle silhouette with top handle drop 2.2in, no Coach catalog classic match",
        "photo 1-5: no creed patch, no COACH wordmark, no horse-and-carriage, no leather hangtag visible",
        "photo 4: top zip interior glimpse shows no suede-back unlined interior and no creed patch",
        "seller text states Exterior Material: Leather, Plastic and Handle\/Strap Material: Polyurethane - synthetic materials inconsistent with vintage Coach"
    ],
    "missing_information": [
        "photo 1-5: no straight-on interior back-wall or pocket close-up showing whether a creed patch or fabric label exists",
        "photo 1-5: no close-up of zipper pull, hardware stamps, or strap attachment points",
        "photo 1-5: no bottom, corner, or full interior detail sufficient to assess construction and material",
        "seller-stated material includes leather and plastic, but the exact composition and brand cannot be verified from the photos",
        "photo of interior lining and any interior leather patch or fabric tags - interior never shown emptied",
        "straight-on creed patch photo in raking light to confirm no Coach creed",
        "close-up of hardware engravings and zipper-pull brand stamp",
        "back \/ bottom \/ side views showing corners and construction"
    ],
    "authenticity_concerns": [
        "photo 1-5: the glossy croc-embossed finish, fabric lining, chain strap, and generic gold-tone hardware are consistent with a modern non-Coach lookalike or fashion bag",
        "photo 1-5: no Coach identifier is visible, so Coach manufacture and authenticity cannot be supported"
    ],
    "possible_model_reasoning": [
        "photo 1-5: compact 8.5-inch zippered top-handle and chain-strap format is a modern vanity or evening bag, with no close Coach catalog match apparent",
        "photo 1-5: absence of a visible creed, wordmark, carriage, or Coach hangtag substantially lowers the Coach probability",
        "photo 1-5: condition appears Like New or New Without Tags in the product-style photos, but actual wear, odor, and hidden defects are unknown",
        "No Coach model fits: zip-top croc-embossed mini vanity with chain strap and top handle does not match City Bag (9790), Willis (9927), Court (9870), Station (5130), Dinky (9375) or other classics in silhouette, closure, strap or material",
        "No hard identifiers: no creed, no serial, no wordmark, no turnlock, no brass dogleash clips or bead-chain hangtag in any of 5 photos",
        "Construction points modern non-Coach: croc-embossed coated material, plated chain, fabric lining stated, PU strap material stated",
        "Condition: appears New\/NWOT catalog-style photos on white background; no wear visible but interior, bottom corners and strap fold 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 1-5: gold-tone chain strap, swivel clips, rings, and zipper hardware are visible; no Coach engraving is legible",
        "leather_description": "photo 1-5: glossy red crocodile-embossed exterior is visible; exact leather versus synthetic composition is not verifiable from the photos",
        "lining_description": "photo 4: fabric lining is visible inside the open zip compartment",
        "strap_construction": "photo 1-5: detachable gold-tone chain shoulder strap with swivel clips; short attached top handle",
        "stitching_description": "photo 1-5: visible exterior stitching appears generally even; detailed stress-point stitching is not sufficiently visible"
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.0019,
    "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": 0.03,
                "image_quality_score": 0.86,
                "seller_misidentification_probability": 0.18,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [],
                "negative_evidence": [
                    "photo 1: the bag has a glossy embossed crocodile-pattern exterior, gold-tone chain strap, and zip-top vanity-bag construction rather than a recognizable vintage Coach silhouette",
                    "photo 2: visible hardware and zipper are generic gold-tone components; no Coach stamp is visible",
                    "photo 3: no Coach wordmark, carriage, creed patch, or hangtag is visible",
                    "photo 4: interior view shows fabric lining and a compact zippered compartment, with no visible Coach identifier",
                    "photo 5: proportions and construction match a modern fashion\/evening bag, not a typical vintage Coach glove-tanned leather classic"
                ],
                "missing_information": [
                    "photo 1-5: no straight-on interior back-wall or pocket close-up showing whether a creed patch or fabric label exists",
                    "photo 1-5: no close-up of zipper pull, hardware stamps, or strap attachment points",
                    "photo 1-5: no bottom, corner, or full interior detail sufficient to assess construction and material",
                    "seller-stated material includes leather and plastic, but the exact composition and brand cannot be verified from the photos"
                ],
                "authenticity_concerns": [
                    "photo 1-5: the glossy croc-embossed finish, fabric lining, chain strap, and generic gold-tone hardware are consistent with a modern non-Coach lookalike or fashion bag",
                    "photo 1-5: no Coach identifier is visible, so Coach manufacture and authenticity cannot be supported"
                ],
                "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 1-5: gold-tone chain strap, swivel clips, rings, and zipper hardware are visible; no Coach engraving is legible",
                    "leather_description": "photo 1-5: glossy red crocodile-embossed exterior is visible; exact leather versus synthetic composition is not verifiable from the photos",
                    "lining_description": "photo 4: fabric lining is visible inside the open zip compartment",
                    "strap_construction": "photo 1-5: detachable gold-tone chain shoulder strap with swivel clips; short attached top handle",
                    "stitching_description": "photo 1-5: visible exterior stitching appears generally even; detailed stress-point stitching is not sufficiently visible"
                },
                "possible_model_reasoning": [
                    "photo 1-5: compact 8.5-inch zippered top-handle and chain-strap format is a modern vanity or evening bag, with no close Coach catalog match apparent",
                    "photo 1-5: absence of a visible creed, wordmark, carriage, or Coach hangtag substantially lowers the Coach probability",
                    "photo 1-5: condition appears Like New or New Without Tags in the product-style photos, but actual wear, odor, and hidden defects are unknown"
                ],
                "confidence": 0.86,
                "recommended_max_bid": 10,
                "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": 0.88,
                "estimated_era": "modern (2000s+), non-Coach",
                "estimated_resale_high": 20,
                "estimated_resale_low": 5,
                "image_quality_score": 0.7,
                "is_handbag_probability": 0.99,
                "missing_information": [
                    "photo of interior lining and any interior leather patch or fabric tags - interior never shown emptied",
                    "straight-on creed patch photo in raking light to confirm no Coach creed",
                    "close-up of hardware engravings and zipper-pull brand stamp",
                    "back \/ bottom \/ side views showing corners and construction"
                ],
                "negative_evidence": [
                    "photo 1-5: red croc-embossed coated finish with high gloss, not vintage Coach glove-tanned cowhide",
                    "photo 1-5: bright gold-tone plated chain detachable strap and zipper, not solid brass vintage hardware",
                    "photo 1,3,5: zip-top vanity-case \/ mini top-handle silhouette with top handle drop 2.2in, no Coach catalog classic match",
                    "photo 1-5: no creed patch, no COACH wordmark, no horse-and-carriage, no leather hangtag visible",
                    "photo 4: top zip interior glimpse shows no suede-back unlined interior and no creed patch",
                    "seller text states Exterior Material: Leather, Plastic and Handle\/Strap Material: Polyurethane - synthetic materials inconsistent with vintage Coach"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "gold-tone top zipper with rectangular pull and detachable gold-tone chain shoulder strap on lobster clips; bright plated finish, not solid brass vintage hardware",
                    "leather_description": "red croc-embossed coated finish with gloss, structured mini vanity shape; seller states Leather, Plastic exterior",
                    "lining_description": "not_visible",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "visible edge topstitching tone-on-tone around zip panel; no detail of stress-point stitching visible",
                    "strap_construction": "short top handle plus detachable gold-tone chain strap for shoulder\/crossbody; small rectangular leather tab hanging from handle, not a COACH hangtag",
                    "turnlock_present": false
                },
                "positive_evidence": [],
                "possible_model_reasoning": [
                    "No Coach model fits: zip-top croc-embossed mini vanity with chain strap and top handle does not match City Bag (9790), Willis (9927), Court (9870), Station (5130), Dinky (9375) or other classics in silhouette, closure, strap or material",
                    "No hard identifiers: no creed, no serial, no wordmark, no turnlock, no brass dogleash clips or bead-chain hangtag in any of 5 photos",
                    "Construction points modern non-Coach: croc-embossed coated material, plated chain, fabric lining stated, PU strap material stated",
                    "Condition: appears New\/NWOT catalog-style photos on white background; no wear visible but interior, bottom corners and strap fold not shown so grade capped"
                ],
                "possible_models": [],
                "recommended_max_bid": 10,
                "seller_misidentification_probability": 0.02,
                "vintage_probability": 0.02
            }
        }
    ],
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 17482,
            "output_tokens": 859,
            "total_tokens": 18341,
            "estimated_cost_usd": 0.009054
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 17825,
            "output_tokens": 1378,
            "total_tokens": 19203,
            "estimated_cost_usd": 0.004667
        }
    ]
}