Vintage Coach Hunter

{
    "is_handbag_probability": 0.99,
    "coach_probability": 0.025,
    "vintage_probability": 0.025,
    "authenticity_confidence": 0.02,
    "image_quality_score": 0.79,
    "seller_misidentification_probability": 0.05,
    "confidence": 0.89,
    "recommended_max_bid": 10,
    "estimated_resale_low": 7.5,
    "estimated_resale_high": 27.5,
    "possible_models": [],
    "positive_evidence": [
        "photo 1: leather-like handbag with top handles and detachable strap"
    ],
    "negative_evidence": [
        "photo 1: Structured top-handle handbag with detachable shoulder strap is clearly visible, but no Coach wordmark, carriage, creed, or hangtag is visible.",
        "photo 1: Hardware is bright mixed gold\/silver-tone plated metal and the central turn-style clasp is chunky and decorative, unlike typical vintage Coach classic hardware.",
        "photo 1: Pebbled material appears uniformly finished and heavily embossed rather than vintage glove-tanned cowhide.",
        "photo 7: Interior is fabric-lined with shiny synthetic-looking lining and multiple compartments, inconsistent with many classic unlined vintage Coach styles.",
        "photo 1: The seller identifies the bag as unbranded; no visual Coach identifier contradicts that description.",
        "photo 1-6: no COACH wordmark, horse-and-carriage, creed patch or hangtag visible",
        "photo 1-5: Birkin-inspired structured tote with belted strap and padlock-style clasp, not a Coach catalog silhouette",
        "photo 3: shiny gold-tone plated hardware, not solid brass vintage hardware",
        "photo 6: grey polyester fabric lining, not unlined glove-tanned suede",
        "photo 1-5: uniform pebbled-grain coated material, not glove-tanned full-grain leather"
    ],
    "missing_information": [
        "photo 7: No close-up of any interior brand label or sewn-in fabric tag is provided.",
        "photo 7: No readable serial\/style number or creed patch is visible; request a clear view of every interior wall and pocket.",
        "photo 4: Hardware stamps, zipper-pull markings, and clasp reverse are not shown clearly.",
        "Seller-stated dimensions and material composition are not provided.",
        "creed patch close-up in raking light to confirm absence (interior shown but no patch visible)",
        "hardware brand stamps \/ zipper-pull markings",
        "material \/ fabric content tag if present"
    ],
    "authenticity_concerns": [
        "photo 1: Decorative oversized clasp, bright plated mixed-tone hardware, and generic structured silhouette are consistent with a Coach-style lookalike rather than a documented Coach model.",
        "photo 7: Shiny synthetic-looking lining and highly compartmentalized construction do not fit the expected construction of many vintage glove-tanned Coach classics.",
        "No Coach identifier is visible in photos 1-7, so Coach manufacture cannot be supported.",
        "photo 1-3: Birkin-style belted turn-lock silhouette never issued as vintage Coach classic; inconsistent with Coach catalog",
        "photo 3: bright mirror-plated hardware, not solid vintage brass"
    ],
    "possible_model_reasoning": [
        "photo 1: The structured top-handle, belt-detail front, central decorative clasp, and grey pebbled body do not closely match the listed vintage Coach classics such as Willis, Court, Station, or City Bag.",
        "photo 7: Fabric-lined multi-compartment construction suggests a modern generic satchel rather than a vintage unlined glove-tanned Coach bag.",
        "Condition: Very Good based on the visible exterior, with no major tears or obvious corner damage; interior and odor cannot be fully assessed from the provided views.",
        "Birkin-style inspired modern tote does not match any Coach classic (Willis, Court, Station, Dinky, City Bag) in closure, belt, handles or proportions",
        "No creed, serial, wordmark or solid-brass Coach hardware to decode; era by construction is modern non-Coach",
        "Condition: Very Good; exterior uniform with light handling, bottom feet intact (photo 4), interior clean (photo 6), no tears or hardware failure visible"
    ],
    "estimated_era": "modern (2000s+), non-Coach",
    "observed_features": {
        "creed_present": false,
        "serial_or_style_number_present": false,
        "coach_wordmark_present": false,
        "turnlock_present": true,
        "hangtag_present": false,
        "creed_text": "not_visible",
        "serial_or_style_number": "not_visible",
        "hardware_description": "photo 1: Bright gold- and silver-tone plated hardware, including a central decorative turn-style clasp, strap clips, buckles, and feet; no markings are legible.",
        "leather_description": "photo 1: Uniform grey, finely pebbled material with a coated or synthetic-looking finish; natural glove-tanned leather is not apparent.",
        "lining_description": "photo 7: Grey shiny fabric lining with multiple compartments and zippered sections; no branding is visible.",
        "strap_construction": "photos 1 and 6: Two rounded top handles plus a long detachable shoulder strap attached with small metal clips; strap appears matching grey with edge finishing.",
        "stitching_description": "photos 1-6: Machine stitching is generally even and dark grey, with several layered decorative panels and strap loops; no Coach-specific construction cue is visible."
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.0013,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.99,
                "coach_probability": 0.03,
                "vintage_probability": 0.02,
                "authenticity_confidence": 0.02,
                "image_quality_score": 0.88,
                "seller_misidentification_probability": 0.08,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [],
                "negative_evidence": [
                    "photo 1: Structured top-handle handbag with detachable shoulder strap is clearly visible, but no Coach wordmark, carriage, creed, or hangtag is visible.",
                    "photo 1: Hardware is bright mixed gold\/silver-tone plated metal and the central turn-style clasp is chunky and decorative, unlike typical vintage Coach classic hardware.",
                    "photo 1: Pebbled material appears uniformly finished and heavily embossed rather than vintage glove-tanned cowhide.",
                    "photo 7: Interior is fabric-lined with shiny synthetic-looking lining and multiple compartments, inconsistent with many classic unlined vintage Coach styles.",
                    "photo 1: The seller identifies the bag as unbranded; no visual Coach identifier contradicts that description."
                ],
                "missing_information": [
                    "photo 7: No close-up of any interior brand label or sewn-in fabric tag is provided.",
                    "photo 7: No readable serial\/style number or creed patch is visible; request a clear view of every interior wall and pocket.",
                    "photo 4: Hardware stamps, zipper-pull markings, and clasp reverse are not shown clearly.",
                    "Seller-stated dimensions and material composition are not provided."
                ],
                "authenticity_concerns": [
                    "photo 1: Decorative oversized clasp, bright plated mixed-tone hardware, and generic structured silhouette are consistent with a Coach-style lookalike rather than a documented Coach model.",
                    "photo 7: Shiny synthetic-looking lining and highly compartmentalized construction do not fit the expected construction of many vintage glove-tanned Coach classics.",
                    "No Coach identifier is visible in photos 1-7, so Coach manufacture 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": true,
                    "hangtag_present": false,
                    "hardware_description": "photo 1: Bright gold- and silver-tone plated hardware, including a central decorative turn-style clasp, strap clips, buckles, and feet; no markings are legible.",
                    "leather_description": "photo 1: Uniform grey, finely pebbled material with a coated or synthetic-looking finish; natural glove-tanned leather is not apparent.",
                    "lining_description": "photo 7: Grey shiny fabric lining with multiple compartments and zippered sections; no branding is visible.",
                    "strap_construction": "photos 1 and 6: Two rounded top handles plus a long detachable shoulder strap attached with small metal clips; strap appears matching grey with edge finishing.",
                    "stitching_description": "photos 1-6: Machine stitching is generally even and dark grey, with several layered decorative panels and strap loops; no Coach-specific construction cue is visible."
                },
                "possible_model_reasoning": [
                    "photo 1: The structured top-handle, belt-detail front, central decorative clasp, and grey pebbled body do not closely match the listed vintage Coach classics such as Willis, Court, Station, or City Bag.",
                    "photo 7: Fabric-lined multi-compartment construction suggests a modern generic satchel rather than a vintage unlined glove-tanned Coach bag.",
                    "Condition: Very Good based on the visible exterior, with no major tears or obvious corner damage; interior and odor cannot be fully assessed from the provided views."
                ],
                "confidence": 0.9,
                "recommended_max_bid": 8,
                "estimated_resale_low": 5,
                "estimated_resale_high": 30
            }
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "result": {
                "authenticity_concerns": [
                    "photo 1-3: Birkin-style belted turn-lock silhouette never issued as vintage Coach classic; inconsistent with Coach catalog",
                    "photo 3: bright mirror-plated hardware, not solid vintage brass"
                ],
                "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": 0.7,
                "is_handbag_probability": 0.99,
                "missing_information": [
                    "creed patch close-up in raking light to confirm absence (interior shown but no patch visible)",
                    "hardware brand stamps \/ zipper-pull markings",
                    "material \/ fabric content tag if present"
                ],
                "negative_evidence": [
                    "photo 1-6: no COACH wordmark, horse-and-carriage, creed patch or hangtag visible",
                    "photo 1-5: Birkin-inspired structured tote with belted strap and padlock-style clasp, not a Coach catalog silhouette",
                    "photo 3: shiny gold-tone plated hardware, not solid brass vintage hardware",
                    "photo 6: grey polyester fabric lining, not unlined glove-tanned suede",
                    "photo 1-5: uniform pebbled-grain coated material, not glove-tanned full-grain leather"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": true,
                    "hardware_description": "shiny gold-tone plated Birkin-style turn-lock, belt studs, D-rings, lobster-clip strap ends, zipper teeth and base feet; bright plating with mirror reflection",
                    "leather_description": "grey pebbled-grain coated material with uniform pebble, no natural scars\/veins\/patina of glove-tanned cowhide",
                    "lining_description": "light grey shiny polyester fabric lining with slip pocket visible in photo 6",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "even tone-matched machine stitching around belt, panels and handles",
                    "strap_construction": "two rolled top handles plus detachable adjustable crossbody strap on gold-tone lobster clips",
                    "turnlock_present": true
                },
                "positive_evidence": [
                    "photo 1: leather-like handbag with top handles and detachable strap"
                ],
                "possible_model_reasoning": [
                    "Birkin-style inspired modern tote does not match any Coach classic (Willis, Court, Station, Dinky, City Bag) in closure, belt, handles or proportions",
                    "No creed, serial, wordmark or solid-brass Coach hardware to decode; era by construction is modern non-Coach",
                    "Condition: Very Good; exterior uniform with light handling, bottom feet intact (photo 4), interior clean (photo 6), no tears or hardware failure visible"
                ],
                "possible_models": [],
                "recommended_max_bid": 12,
                "seller_misidentification_probability": 0.02,
                "vintage_probability": 0.03
            }
        }
    ],
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 28636,
            "output_tokens": 815,
            "total_tokens": 29451,
            "estimated_cost_usd": 0.01341
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 29915,
            "output_tokens": 1680,
            "total_tokens": 31595,
            "estimated_cost_usd": 0.007327
        }
    ]
}