Vintage Coach Hunter

{
    "is_handbag_probability": 0.02,
    "coach_probability": 0.015,
    "vintage_probability": 0.015,
    "authenticity_confidence": 0.015,
    "image_quality_score": 0.895,
    "seller_misidentification_probability": 0.025,
    "confidence": 0.935,
    "recommended_max_bid": 5,
    "estimated_resale_low": 5,
    "estimated_resale_high": 13.5,
    "possible_models": [],
    "positive_evidence": [],
    "negative_evidence": [
        "photo 1: The item is a standalone replacement shoulder\/crossbody strap rather than a handbag.",
        "photo 1: No Coach wordmark, horse-and-carriage, creed patch, serial\/style number, or hangtag is visible.",
        "photo 1: The strap has bright gold-tone swivel clips and a generic adjustable construction, with no identifiable Coach-specific details.",
        "photo 1: The smooth, uniformly finished strap appears synthetic or coated rather than visibly vintage glove-tanned leather.",
        "photo 1: object is a coiled replacement shoulder\/crossbody strap only, not a handbag",
        "photo 1: no creed patch, no COACH wordmark, no horse-and-carriage, no hangtag visible",
        "photo 1: thin light-grey coated leather with bright gold-tone plated lobster clips, not vintage Coach solid brass glove-tanned construction"
    ],
    "missing_information": [
        "photo 1: No attached handbag is provided for assessment.",
        "A close-up of both sides of the strap and hardware markings would be needed to identify any manufacturer.",
        "photo 1: no handbag shown, only a replacement strap - no bag front\/back\/bottom\/interior\/creed\/hardware views to assess",
        "No Coach identifiers visible to verify - no creed, wordmark, hangtag, or turnlock present"
    ],
    "authenticity_concerns": [
        "photo 1: This appears to be a generic replacement accessory, not a Coach handbag or clearly branded Coach component."
    ],
    "possible_model_reasoning": [
        "photo 1: No handbag silhouette or Coach model features are present, so no Coach model can be proposed.",
        "photo 1: The listing title identifies it as a replacement strap, which is consistent with the photographed standalone accessory but does not establish brand or age.",
        "photo 1: Condition appears new or unused from the clean studio-style image, but actual material quality and durability cannot be verified.",
        "photo 1 shows only an aftermarket replacement strap; no handbag silhouette, closure, or construction to match to any Coach catalog style",
        "No creed, serial, wordmark, turnlock, or hangtag to decode era or model; Condition grading not applicable to handbag assessment"
    ],
    "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: Bright gold-tone swivel lobster clips, rings, and snap\/button attachment hardware; no Coach engraving is visible.",
        "leather_description": "photo 1: Light gray smooth, uniform strap material; leather type is not verifiable and it appears possibly synthetic or coated.",
        "lining_description": "not_visible",
        "strap_construction": "photo 1: Long narrow adjustable replacement strap with stitched edges, snap\/button attachment tabs, and swivel clips at both ends.",
        "stitching_description": "photo 1: Visible perimeter stitching appears regular and machine-made; no handbag construction is shown."
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.0005,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.02,
                "coach_probability": 0.01,
                "vintage_probability": 0.01,
                "authenticity_confidence": 0.01,
                "image_quality_score": 0.94,
                "seller_misidentification_probability": 0.03,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [],
                "negative_evidence": [
                    "photo 1: The item is a standalone replacement shoulder\/crossbody strap rather than a handbag.",
                    "photo 1: No Coach wordmark, horse-and-carriage, creed patch, serial\/style number, or hangtag is visible.",
                    "photo 1: The strap has bright gold-tone swivel clips and a generic adjustable construction, with no identifiable Coach-specific details.",
                    "photo 1: The smooth, uniformly finished strap appears synthetic or coated rather than visibly vintage glove-tanned leather."
                ],
                "missing_information": [
                    "photo 1: No attached handbag is provided for assessment.",
                    "A close-up of both sides of the strap and hardware markings would be needed to identify any manufacturer."
                ],
                "authenticity_concerns": [
                    "photo 1: This appears to be a generic replacement accessory, not a Coach handbag or clearly branded Coach component."
                ],
                "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: Bright gold-tone swivel lobster clips, rings, and snap\/button attachment hardware; no Coach engraving is visible.",
                    "leather_description": "photo 1: Light gray smooth, uniform strap material; leather type is not verifiable and it appears possibly synthetic or coated.",
                    "lining_description": "not_visible",
                    "strap_construction": "photo 1: Long narrow adjustable replacement strap with stitched edges, snap\/button attachment tabs, and swivel clips at both ends.",
                    "stitching_description": "photo 1: Visible perimeter stitching appears regular and machine-made; no handbag construction is shown."
                },
                "possible_model_reasoning": [
                    "photo 1: No handbag silhouette or Coach model features are present, so no Coach model can be proposed.",
                    "photo 1: The listing title identifies it as a replacement strap, which is consistent with the photographed standalone accessory but does not establish brand or age.",
                    "photo 1: Condition appears new or unused from the clean studio-style image, but actual material quality and durability cannot be verified."
                ],
                "confidence": 0.97,
                "recommended_max_bid": null,
                "estimated_resale_low": 5,
                "estimated_resale_high": 15
            }
        },
        {
            "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": 12,
                "estimated_resale_low": 5,
                "image_quality_score": 0.85,
                "is_handbag_probability": 0.02,
                "missing_information": [
                    "photo 1: no handbag shown, only a replacement strap - no bag front\/back\/bottom\/interior\/creed\/hardware views to assess",
                    "No Coach identifiers visible to verify - no creed, wordmark, hangtag, or turnlock present"
                ],
                "negative_evidence": [
                    "photo 1: object is a coiled replacement shoulder\/crossbody strap only, not a handbag",
                    "photo 1: no creed patch, no COACH wordmark, no horse-and-carriage, no hangtag visible",
                    "photo 1: thin light-grey coated leather with bright gold-tone plated lobster clips, not vintage Coach solid brass glove-tanned construction"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "bright gold-tone plated lobster-claw clips with D-rings and rivets, modern replacement hardware",
                    "leather_description": "light grey smooth finished strap leather, thin, modern coated appearance",
                    "lining_description": "not_visible",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "light-colored edge stitching along strap edges, visible in photo 1",
                    "strap_construction": "thin adjustable replacement crossbody strap with swivel lobster clips at both ends",
                    "turnlock_present": false
                },
                "positive_evidence": [],
                "possible_model_reasoning": [
                    "photo 1 shows only an aftermarket replacement strap; no handbag silhouette, closure, or construction to match to any Coach catalog style",
                    "No creed, serial, wordmark, turnlock, or hangtag to decode era or model; Condition grading not applicable to handbag assessment"
                ],
                "possible_models": [],
                "recommended_max_bid": 5,
                "seller_misidentification_probability": 0.02,
                "vintage_probability": 0.02
            }
        }
    ],
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 16318,
            "output_tokens": 593,
            "total_tokens": 16911,
            "estimated_cost_usd": 0.00795
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 16670,
            "output_tokens": 1155,
            "total_tokens": 17825,
            "estimated_cost_usd": 0.004258
        }
    ]
}