Vintage Coach Hunter

{
    "is_handbag_probability": 0.965,
    "coach_probability": 0.01,
    "vintage_probability": 0.115,
    "authenticity_confidence": 0.01,
    "image_quality_score": 0.815,
    "seller_misidentification_probability": 0.025,
    "confidence": 0.925,
    "recommended_max_bid": 8,
    "estimated_resale_low": 5,
    "estimated_resale_high": 25,
    "possible_models": [],
    "positive_evidence": [],
    "negative_evidence": [
        "photo 1: exterior is constructed from coconut-shell or similar natural-shell mosaic pieces, not Coach glove-tanned leather or Coach signature canvas",
        "photo 2: decorative shell squares are hand-laced\/stitch-attached in a novelty pattern with no visible Coach wordmark, carriage, creed, or hangtag",
        "photo 4: interior has brown textile lining and a generic zipper, unlike the expected identifiers and construction of a vintage Coach classic",
        "photo 5: closure is a decorative wooden ring\/loop rather than a Coach-style turnlock",
        "photo 1: body made of stitched coconut-shell tiles in checkerboard brown\/tan, not glove-tanned leather",
        "photo 1-3: no solid brass hardware, no turnlock, no Coach silhouette; closure is wooden disc-and-loop",
        "photo 4-6: brown woven fabric lining with plain zip pocket, not unlined suede or Coach lining",
        "photo 1-6: coiled wood\/shell handles, not leather straps with brass hardware",
        "photo 1-6: no creed patch, no COACH wordmark, no hangtag, no horse-and-carriage visible"
    ],
    "missing_information": [
        "photo 1-3: no underside or close-up of any maker label is provided",
        "photo 4-6: no full interior label or sewn-in brand tag is visible",
        "photo 1-6: seller-stated dimensions, country of origin, and material details are not provided",
        "No Coach-specific identifiers to request; bag is materially excluded as Coach"
    ],
    "authenticity_concerns": [
        "photo 1-6: the shell construction, textile lining, decorative ring closure, and absence of Coach identifiers are inconsistent with a Coach handbag; this appears to be a non-Coach novelty or artisan bag rather than a Coach replica",
        "photo 1-6: coconut shell \/ wood \/ natural-material construction is inconsistent with any Coach production line and era"
    ],
    "possible_model_reasoning": [
        "photo 1-6: no Coach model is plausible from the visible shell mosaic construction and novelty silhouette",
        "photo 1-6: the bag is a handbag, but it does not match the leather, hardware, lining, or identifier profile of vintage Coach",
        "photo 1-6: condition appears approximately Very Good based on intact visible shell panels and handles, though interior, odor, and hidden structural condition are not fully assessable",
        "No Coach model fits: material (coconut shell), construction (laced tiles), handles (coiled shell), fabric lining, and wooden closure exclude all leather Coach catalog styles",
        "Condition: seller states Very good condition; photos show intact tiles with no broken pieces visible, consistent with Good to Very Good for a novelty natural-material bag"
    ],
    "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 1-6: decorative wooden or shell ring closure and simple light-colored attachment hardware; no Coach-marked hardware visible",
        "leather_description": "photo 1-3: exterior appears to use coconut-shell or similar shell pieces with dark brown and cream mosaic panels; no leather body is visible",
        "lining_description": "photo 4-6: brown textile lining with an interior zippered compartment; no brand label visible",
        "strap_construction": "photo 1-3: long handles wrapped or assembled with repeated shell-like discs\/beads, attached at the upper sides",
        "stitching_description": "photo 2-3: visible dark cord or thread lacing between shell panels; stitching is decorative and irregular rather than typical leather handbag construction"
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.0013,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.98,
                "coach_probability": 0.01,
                "vintage_probability": 0.18,
                "authenticity_confidence": 0.01,
                "image_quality_score": 0.88,
                "seller_misidentification_probability": 0.03,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [],
                "negative_evidence": [
                    "photo 1: exterior is constructed from coconut-shell or similar natural-shell mosaic pieces, not Coach glove-tanned leather or Coach signature canvas",
                    "photo 2: decorative shell squares are hand-laced\/stitch-attached in a novelty pattern with no visible Coach wordmark, carriage, creed, or hangtag",
                    "photo 4: interior has brown textile lining and a generic zipper, unlike the expected identifiers and construction of a vintage Coach classic",
                    "photo 5: closure is a decorative wooden ring\/loop rather than a Coach-style turnlock"
                ],
                "missing_information": [
                    "photo 1-3: no underside or close-up of any maker label is provided",
                    "photo 4-6: no full interior label or sewn-in brand tag is visible",
                    "photo 1-6: seller-stated dimensions, country of origin, and material details are not provided"
                ],
                "authenticity_concerns": [
                    "photo 1-6: the shell construction, textile lining, decorative ring closure, and absence of Coach identifiers are inconsistent with a Coach handbag; this appears to be a non-Coach novelty or artisan bag rather than a Coach replica"
                ],
                "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 1-6: decorative wooden or shell ring closure and simple light-colored attachment hardware; no Coach-marked hardware visible",
                    "leather_description": "photo 1-3: exterior appears to use coconut-shell or similar shell pieces with dark brown and cream mosaic panels; no leather body is visible",
                    "lining_description": "photo 4-6: brown textile lining with an interior zippered compartment; no brand label visible",
                    "strap_construction": "photo 1-3: long handles wrapped or assembled with repeated shell-like discs\/beads, attached at the upper sides",
                    "stitching_description": "photo 2-3: visible dark cord or thread lacing between shell panels; stitching is decorative and irregular rather than typical leather handbag construction"
                },
                "possible_model_reasoning": [
                    "photo 1-6: no Coach model is plausible from the visible shell mosaic construction and novelty silhouette",
                    "photo 1-6: the bag is a handbag, but it does not match the leather, hardware, lining, or identifier profile of vintage Coach",
                    "photo 1-6: condition appears approximately Very Good based on intact visible shell panels and handles, though interior, odor, and hidden structural condition are not fully assessable"
                ],
                "confidence": 0.95,
                "recommended_max_bid": 8,
                "estimated_resale_low": 5,
                "estimated_resale_high": 30
            }
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "result": {
                "authenticity_concerns": [
                    "photo 1-6: coconut shell \/ wood \/ natural-material construction is inconsistent with any Coach production line and era"
                ],
                "authenticity_confidence": 0.01,
                "coach_probability": 0.01,
                "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": 0.95,
                "missing_information": [
                    "No Coach-specific identifiers to request; bag is materially excluded as Coach"
                ],
                "negative_evidence": [
                    "photo 1: body made of stitched coconut-shell tiles in checkerboard brown\/tan, not glove-tanned leather",
                    "photo 1-3: no solid brass hardware, no turnlock, no Coach silhouette; closure is wooden disc-and-loop",
                    "photo 4-6: brown woven fabric lining with plain zip pocket, not unlined suede or Coach lining",
                    "photo 1-6: coiled wood\/shell handles, not leather straps with brass hardware",
                    "photo 1-6: no creed patch, no COACH wordmark, no hangtag, no horse-and-carriage visible"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "no metal hardware visible; wooden disc button with loop closure (photo 2, photo 5); zipper with plain pull (photo 4)",
                    "leather_description": "no leather visible; rigid coconut-shell tiles laced together, two-tone brown and natural",
                    "lining_description": "photo 4-6: dark brown woven fabric lining, interior zip compartment",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "dark cross-stitch lacing joining shell tiles, visible on exterior (photo 2)",
                    "strap_construction": "two rigid double handles of stacked\/coiled coconut-shell discs anchored with wood beads (photo 1, photo 3)",
                    "turnlock_present": false
                },
                "positive_evidence": [],
                "possible_model_reasoning": [
                    "No Coach model fits: material (coconut shell), construction (laced tiles), handles (coiled shell), fabric lining, and wooden closure exclude all leather Coach catalog styles",
                    "Condition: seller states Very good condition; photos show intact tiles with no broken pieces visible, consistent with Good to Very Good for a novelty natural-material bag"
                ],
                "possible_models": [],
                "recommended_max_bid": 8,
                "seller_misidentification_probability": 0.02,
                "vintage_probability": 0.05
            }
        }
    ],
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 17695,
            "output_tokens": 841,
            "total_tokens": 18536,
            "estimated_cost_usd": 0.009096
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 18030,
            "output_tokens": 1125,
            "total_tokens": 19155,
            "estimated_cost_usd": 0.004506
        }
    ]
}