Vintage Coach Hunter

{
    "is_handbag_probability": 0.015,
    "coach_probability": 0.02,
    "vintage_probability": 0.035,
    "authenticity_confidence": 0.025,
    "image_quality_score": 0.895,
    "seller_misidentification_probability": 0.05,
    "confidence": 0.93,
    "recommended_max_bid": 5,
    "estimated_resale_low": 5,
    "estimated_resale_high": 17.5,
    "possible_models": [],
    "positive_evidence": [],
    "negative_evidence": [
        "photo 1: Listing shows only a double leather tassel charm, not a handbag.",
        "photo 1: No Coach wordmark, horse-and-carriage, creed patch, serial, or recognizable Coach construction is visible.",
        "photo 2: Gold-tone swivel lobster clasp and ring are generic accessory hardware, not a vintage Coach turnlock.",
        "photo 3: Ruler indicates an accessory approximately 7 inches long rather than a handbag.",
        "photo 5: Leather tassel construction and black-edged strips appear generic and provide no Coach-specific evidence.",
        "photo 1-3: object is a double leather tassel bag charm with lobster clasp, not a handbag",
        "photo 1-4: no creed patch, no COACH wordmark, no horse-and-carriage visible",
        "photo 2,4: gold-tone lobster clasp with no COACH engraving visible",
        "photo 3: ruler shows ~7 inch accessory scale, not handbag proportions"
    ],
    "missing_information": [
        "photo 1-6: No handbag body, interior, creed area, hangtag, or attached-bag hardware is provided.",
        "photo 1-6: Coach branding or provenance cannot be evaluated because the listing appears to contain only a replacement tassel charm.",
        "Object is bag charm accessory, not a handbag - no bag, creed, lining or construction to assess for Coach identification",
        "No COACH wordmark, creed patch, or branded hardware visible to support Coach manufacture"
    ],
    "authenticity_concerns": [
        "photo 1: The item is explicitly described as a replacement and is not presented as an identifiable Coach handbag or Coach-branded accessory.",
        "photo 2: Generic gold-tone clasp and ring have no visible Coach engraving; this is inconsistent with treating the item as a documented Coach piece."
    ],
    "possible_model_reasoning": [
        "photo 1-6: No Coach handbag model is applicable because only a replacement tassel charm is shown.",
        "photo 3: The approximately 7-inch measured length supports classification as a bag charm or replacement accessory, not a handbag.",
        "photo 1-6: Condition appears Good due to fraying and edge wear on the tassel strips; clasp remains visually intact, but function is not tested.",
        "Not a handbag so no Coach handbag model applies; tassel charm form is generic accessory with no Coach identifiers, hardware stamps, or creed to decode; Condition: Good to Very Good as accessory - leather intact, no major wear visible"
    ],
    "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 1-2: Gold-tone swivel lobster clasp, connecting ring, and small loop hardware; no branding visible.",
        "leather_description": "photo 1-6: Red textured leather or leather-like strips with dark edging; visible surface wear and fraying at some strip ends.",
        "lining_description": "not_visible",
        "strap_construction": "photo 1-6: Not a handbag strap; two tassel sections are joined by leather loops and a swivel clasp.",
        "stitching_description": "photo 5-6: Hand- or machine-stitched seams are visible on the leather wraps; construction is accessory-level and not Coach-specific."
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.0006,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.01,
                "coach_probability": 0.02,
                "vintage_probability": 0.02,
                "authenticity_confidence": 0.02,
                "image_quality_score": 0.94,
                "seller_misidentification_probability": 0.08,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [],
                "negative_evidence": [
                    "photo 1: Listing shows only a double leather tassel charm, not a handbag.",
                    "photo 1: No Coach wordmark, horse-and-carriage, creed patch, serial, or recognizable Coach construction is visible.",
                    "photo 2: Gold-tone swivel lobster clasp and ring are generic accessory hardware, not a vintage Coach turnlock.",
                    "photo 3: Ruler indicates an accessory approximately 7 inches long rather than a handbag.",
                    "photo 5: Leather tassel construction and black-edged strips appear generic and provide no Coach-specific evidence."
                ],
                "missing_information": [
                    "photo 1-6: No handbag body, interior, creed area, hangtag, or attached-bag hardware is provided.",
                    "photo 1-6: Coach branding or provenance cannot be evaluated because the listing appears to contain only a replacement tassel charm."
                ],
                "authenticity_concerns": [
                    "photo 1: The item is explicitly described as a replacement and is not presented as an identifiable Coach handbag or Coach-branded accessory.",
                    "photo 2: Generic gold-tone clasp and ring have no visible Coach engraving; this is inconsistent with treating the item as a documented Coach piece."
                ],
                "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 1-2: Gold-tone swivel lobster clasp, connecting ring, and small loop hardware; no branding visible.",
                    "leather_description": "photo 1-6: Red textured leather or leather-like strips with dark edging; visible surface wear and fraying at some strip ends.",
                    "lining_description": "not_visible",
                    "strap_construction": "photo 1-6: Not a handbag strap; two tassel sections are joined by leather loops and a swivel clasp.",
                    "stitching_description": "photo 5-6: Hand- or machine-stitched seams are visible on the leather wraps; construction is accessory-level and not Coach-specific."
                },
                "possible_model_reasoning": [
                    "photo 1-6: No Coach handbag model is applicable because only a replacement tassel charm is shown.",
                    "photo 3: The approximately 7-inch measured length supports classification as a bag charm or replacement accessory, not a handbag.",
                    "photo 1-6: Condition appears Good due to fraying and edge wear on the tassel strips; clasp remains visually intact, but function is not tested."
                ],
                "confidence": 0.96,
                "recommended_max_bid": 5,
                "estimated_resale_low": 5,
                "estimated_resale_high": 20
            }
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "result": {
                "authenticity_concerns": [],
                "authenticity_confidence": 0.03,
                "coach_probability": 0.02,
                "confidence": 0.9,
                "estimated_era": "modern (2000s+), non-Coach",
                "estimated_resale_high": 15,
                "estimated_resale_low": 5,
                "image_quality_score": 0.85,
                "is_handbag_probability": 0.02,
                "missing_information": [
                    "Object is bag charm accessory, not a handbag - no bag, creed, lining or construction to assess for Coach identification",
                    "No COACH wordmark, creed patch, or branded hardware visible to support Coach manufacture"
                ],
                "negative_evidence": [
                    "photo 1-3: object is a double leather tassel bag charm with lobster clasp, not a handbag",
                    "photo 1-4: no creed patch, no COACH wordmark, no horse-and-carriage visible",
                    "photo 2,4: gold-tone lobster clasp with no COACH engraving visible",
                    "photo 3: ruler shows ~7 inch accessory scale, not handbag proportions"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "gold-tone lobster clasp with swivel ring, unmarked in photos",
                    "leather_description": "red pebbled leather double tassels with black edge paint, stitched caps",
                    "lining_description": "not_visible",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "small red stitches visible on tassel caps (photo 6)",
                    "strap_construction": "not_visible",
                    "turnlock_present": false
                },
                "positive_evidence": [],
                "possible_model_reasoning": [
                    "Not a handbag so no Coach handbag model applies; tassel charm form is generic accessory with no Coach identifiers, hardware stamps, or creed to decode; Condition: Good to Very Good as accessory - leather intact, no major wear visible"
                ],
                "possible_models": [],
                "recommended_max_bid": 5,
                "seller_misidentification_probability": 0.02,
                "vintage_probability": 0.05
            }
        }
    ],
    "_usage": [
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            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 28783,
            "output_tokens": 743,
            "total_tokens": 29526,
            "estimated_cost_usd": 0.013296
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 30095,
            "output_tokens": 816,
            "total_tokens": 30911,
            "estimated_cost_usd": 0.006672
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}