Vintage Coach Hunter

{
    "is_handbag_probability": 0.025,
    "coach_probability": 0.02,
    "vintage_probability": 0.02,
    "authenticity_confidence": 0.02,
    "image_quality_score": 0.855,
    "seller_misidentification_probability": 0.035,
    "confidence": 0.905,
    "recommended_max_bid": 4,
    "estimated_resale_low": 5,
    "estimated_resale_high": 12.5,
    "possible_models": [],
    "positive_evidence": [
        "photo 1: Adjustable replacement-style strap with two swivel clips is visible, but no Coach-specific identifier is present."
    ],
    "negative_evidence": [
        "photo 1: This appears to be a standalone replacement shoulder\/crossbody strap rather than a handbag.",
        "photo 1: No COACH wordmark, horse-and-carriage, creed patch, serial\/style number, or recognizable Coach bag construction is visible.",
        "photo 1: Bright plated gold-tone swivel hardware and smooth, uniformly finished strap are more consistent with a modern generic replacement accessory than vintage Coach hardware.",
        "photo 1: object is a coiled detachable replacement strap only, no handbag body shown",
        "photo 1: no creed patch, COACH wordmark, horse-and-carriage, turnlock, or leather hangtag visible",
        "photo 1: bright plated gold-tone swivel dogleash clips and rivets, not vintage solid brass hardware",
        "photo 1: thin edge-painted smooth strap leather, not vintage glove-tanned cowhide handbag construction"
    ],
    "missing_information": [
        "photo 1: No original handbag is included or shown.",
        "A close-up of any branding, stamped markings, packaging, or tags would be needed to assess a Coach connection.",
        "Material composition, strap length, width, and hardware measurements are not provided.",
        "no handbag shown - photo 1 shows only a detachable replacement strap",
        "no creed patch, interior, bottom, or turnlock views of any bag to assess",
        "no Coach wordmark, hangtag, or Made-in line visible to evaluate"
    ],
    "authenticity_concerns": [
        "photo 1: The item has no visible Coach identifiers and is listed as an unbranded replacement strap; it should not be treated as a vintage Coach bag or Coach accessory.",
        "photo 1: no Coach identifiers present on a generic replacement part; nothing to authenticate as Coach"
    ],
    "possible_model_reasoning": [
        "photo 1: No Coach handbag silhouette or model-specific features are present; this is an accessory only.",
        "photo 1: The standalone replacement-strap format and modern plated hardware do not support a vintage Coach attribution.",
        "Condition\/value: Appears unused or new in the product photo, but actual condition cannot be confirmed from a stock-style image.",
        "object is an accessory strap, not a handbag silhouette, so no Coach catalog model match is possible",
        "no creed, serial, country, lining, or turnlock to date; hardware and finish read as modern generic replacement part",
        "Condition: not gradable as handbag; strap itself looks new\/unused in photo 1"
    ],
    "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: Two bright gold-tone swivel lobster-style clips and ring attachments; no Coach engraving is visible.",
        "leather_description": "photo 1: Tan\/orange smooth strap with stitched edges and a uniform finished appearance; exact material is not verifiable from the photo.",
        "lining_description": "not_visible",
        "strap_construction": "photo 1: Long adjustable replacement strap, rolled for display, with stitched attachment tabs and swivel clips at both ends.",
        "stitching_description": "photo 1: Even visible edge stitching; close-up quality is insufficient to assess construction beyond the photographed sections."
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.03,
                "coach_probability": 0.02,
                "vintage_probability": 0.02,
                "authenticity_confidence": 0.02,
                "image_quality_score": 0.86,
                "seller_misidentification_probability": 0.04,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [
                    "photo 1: Adjustable replacement-style strap with two swivel clips is visible, but no Coach-specific identifier is present."
                ],
                "negative_evidence": [
                    "photo 1: This appears to be a standalone replacement shoulder\/crossbody strap rather than a handbag.",
                    "photo 1: No COACH wordmark, horse-and-carriage, creed patch, serial\/style number, or recognizable Coach bag construction is visible.",
                    "photo 1: Bright plated gold-tone swivel hardware and smooth, uniformly finished strap are more consistent with a modern generic replacement accessory than vintage Coach hardware."
                ],
                "missing_information": [
                    "photo 1: No original handbag is included or shown.",
                    "A close-up of any branding, stamped markings, packaging, or tags would be needed to assess a Coach connection.",
                    "Material composition, strap length, width, and hardware measurements are not provided."
                ],
                "authenticity_concerns": [
                    "photo 1: The item has no visible Coach identifiers and is listed as an unbranded replacement strap; it should not be treated as a vintage Coach bag or Coach accessory."
                ],
                "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: Two bright gold-tone swivel lobster-style clips and ring attachments; no Coach engraving is visible.",
                    "leather_description": "photo 1: Tan\/orange smooth strap with stitched edges and a uniform finished appearance; exact material is not verifiable from the photo.",
                    "lining_description": "not_visible",
                    "strap_construction": "photo 1: Long adjustable replacement strap, rolled for display, with stitched attachment tabs and swivel clips at both ends.",
                    "stitching_description": "photo 1: Even visible edge stitching; close-up quality is insufficient to assess construction beyond the photographed sections."
                },
                "possible_model_reasoning": [
                    "photo 1: No Coach handbag silhouette or model-specific features are present; this is an accessory only.",
                    "photo 1: The standalone replacement-strap format and modern plated hardware do not support a vintage Coach attribution.",
                    "Condition\/value: Appears unused or new in the product photo, but actual condition cannot be confirmed from a stock-style image."
                ],
                "confidence": 0.91,
                "recommended_max_bid": 3,
                "estimated_resale_low": 5,
                "estimated_resale_high": 15
            }
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "result": {
                "authenticity_concerns": [
                    "photo 1: no Coach identifiers present on a generic replacement part; nothing to authenticate as Coach"
                ],
                "authenticity_confidence": 0.02,
                "coach_probability": 0.02,
                "confidence": 0.9,
                "estimated_era": "modern (2000s+), non-Coach",
                "estimated_resale_high": 10,
                "estimated_resale_low": 5,
                "image_quality_score": 0.85,
                "is_handbag_probability": 0.02,
                "missing_information": [
                    "no handbag shown - photo 1 shows only a detachable replacement strap",
                    "no creed patch, interior, bottom, or turnlock views of any bag to assess",
                    "no Coach wordmark, hangtag, or Made-in line visible to evaluate"
                ],
                "negative_evidence": [
                    "photo 1: object is a coiled detachable replacement strap only, no handbag body shown",
                    "photo 1: no creed patch, COACH wordmark, horse-and-carriage, turnlock, or leather hangtag visible",
                    "photo 1: bright plated gold-tone swivel dogleash clips and rivets, not vintage solid brass hardware",
                    "photo 1: thin edge-painted smooth strap leather, not vintage glove-tanned cowhide handbag construction"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "photo 1: shiny gold-tone swivel dogleash clips at both ends, D-rings and capped rivets; bright modern plated appearance",
                    "leather_description": "photo 1: smooth tan narrow strap leather with finished edges; modern replacement-strap appearance",
                    "lining_description": "not_visible",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "photo 1: even machine edge-stitching along strap edges",
                    "strap_construction": "photo 1: long thin adjustable crossbody replacement strap with swivel clips at both ends",
                    "turnlock_present": false
                },
                "positive_evidence": [],
                "possible_model_reasoning": [
                    "object is an accessory strap, not a handbag silhouette, so no Coach catalog model match is possible",
                    "no creed, serial, country, lining, or turnlock to date; hardware and finish read as modern generic replacement part",
                    "Condition: not gradable as handbag; strap itself looks new\/unused in photo 1"
                ],
                "possible_models": [],
                "recommended_max_bid": 5,
                "seller_misidentification_probability": 0.03,
                "vintage_probability": 0.02
            }
        }
    ],
    "_usage": [
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            "output_tokens": 660,
            "total_tokens": 16978,
            "estimated_cost_usd": 0.008111
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
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}