Vintage Coach Hunter

{
    "is_handbag_probability": 0.98,
    "coach_probability": 0.02,
    "vintage_probability": 0.085,
    "authenticity_confidence": 0.02,
    "image_quality_score": 0.78,
    "seller_misidentification_probability": 0.025,
    "confidence": 0.895,
    "recommended_max_bid": 8,
    "estimated_resale_low": 5,
    "estimated_resale_high": 20,
    "possible_models": [],
    "positive_evidence": [],
    "negative_evidence": [
        "photo 1: The bag is explicitly described as faux leather, and the smooth synthetic-looking surface is inconsistent with vintage Coach glove-tanned leather.",
        "photo 1: The envelope flap has decorative perforations and glossy black contrast material, with no recognizable Coach turnlock or Coach silhouette.",
        "photo 4: The reverse is plain and shows no Coach wordmark, carriage, hangtag, or other Coach identifier.",
        "photo 5: A U.S. dime is used for scale; no creed patch or serial\/style marking is visible.",
        "photo 1: The thin cord shoulder strap and highly decorative wing-tip styling are not characteristic of the listed vintage Coach classic models.",
        "photo 1-3: white smooth synthetic with high sheen and black patent-like overlay, consistent with seller-stated faux leather, not glove-tanned cowhide",
        "photo 1-4: no solid brass hardware, no turnlock, no dogleash clips, no hangtag visible",
        "photo 1-6: no creed patch, no COACH wordmark, no horse-and-carriage visible",
        "photo 1: wingtip perforated envelope silhouette with two-tone patent overlay has no match in Coach catalog"
    ],
    "missing_information": [
        "photo 1-6: Interior, lining, closure, and any sewn-in brand or care label are not shown.",
        "photo 1-6: No dedicated close-up of the interior back wall or pocket was provided to verify whether a creed patch exists.",
        "photo 1-6: Exact dimensions and functional closure details are not provided.",
        "photo 1-4: interior never shown, lining unknown",
        "photo 1-6: no creed patch shown",
        "photo 1-6: no Coach wordmark, hangtag, or branded hardware shown",
        "photo 4: back view only, no bottom\/side\/interior views"
    ],
    "authenticity_concerns": [
        "photo 1: Seller's faux-leather description and synthetic construction conflict with the materials normally associated with vintage Coach.",
        "photo 1: Decorative perforation pattern, patent-like black insert, and cord strap indicate a generic vintage-style fashion bag rather than Coach construction."
    ],
    "possible_model_reasoning": [
        "photo 1: The rectangular envelope silhouette could fit a generic shoulder clutch, but it does not match a recognizable Coach catalog model and no Coach identifier is visible.",
        "photo 1-6: Condition appears Good to Very Good visually, with light marks and surface scuffs on the white exterior; interior and odor cannot be assessed.",
        "No Coach identifiers visible in any photo to decode for model or era",
        "Construction in faux leather with no brass and wingtip envelope styling is inconsistent with vintage Coach glove-tanned classics",
        "Condition: Good; light surface marks and scuffs on white faux leather visible photo 1 and photo 5, otherwise intact; interior unknown so grade capped"
    ],
    "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: No visible metal hardware, turnlock, buckle, or zipper pull; a thin white cord shoulder strap is visible. photo 5: A dime is present only for scale.",
        "leather_description": "photo 1: Smooth white faux-leather\/synthetic exterior with glossy black contrast insert; no natural leather grain is evident.",
        "lining_description": "not_visible",
        "strap_construction": "photo 1: Thin white cord-style shoulder strap attached at the side edges; construction and adjustability are not visible.",
        "stitching_description": "photo 1: Visible perimeter and contrast-panel stitching is generally even, with decorative perforations along the flap edge; it does not establish Coach manufacture."
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.0026,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.98,
                "coach_probability": 0.02,
                "vintage_probability": 0.12,
                "authenticity_confidence": 0.02,
                "image_quality_score": 0.91,
                "seller_misidentification_probability": 0.03,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [],
                "negative_evidence": [
                    "photo 1: The bag is explicitly described as faux leather, and the smooth synthetic-looking surface is inconsistent with vintage Coach glove-tanned leather.",
                    "photo 1: The envelope flap has decorative perforations and glossy black contrast material, with no recognizable Coach turnlock or Coach silhouette.",
                    "photo 4: The reverse is plain and shows no Coach wordmark, carriage, hangtag, or other Coach identifier.",
                    "photo 5: A U.S. dime is used for scale; no creed patch or serial\/style marking is visible.",
                    "photo 1: The thin cord shoulder strap and highly decorative wing-tip styling are not characteristic of the listed vintage Coach classic models."
                ],
                "missing_information": [
                    "photo 1-6: Interior, lining, closure, and any sewn-in brand or care label are not shown.",
                    "photo 1-6: No dedicated close-up of the interior back wall or pocket was provided to verify whether a creed patch exists.",
                    "photo 1-6: Exact dimensions and functional closure details are not provided."
                ],
                "authenticity_concerns": [
                    "photo 1: Seller's faux-leather description and synthetic construction conflict with the materials normally associated with vintage Coach.",
                    "photo 1: Decorative perforation pattern, patent-like black insert, and cord strap indicate a generic vintage-style fashion bag rather than Coach construction."
                ],
                "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: No visible metal hardware, turnlock, buckle, or zipper pull; a thin white cord shoulder strap is visible. photo 5: A dime is present only for scale.",
                    "leather_description": "photo 1: Smooth white faux-leather\/synthetic exterior with glossy black contrast insert; no natural leather grain is evident.",
                    "lining_description": "not_visible",
                    "strap_construction": "photo 1: Thin white cord-style shoulder strap attached at the side edges; construction and adjustability are not visible.",
                    "stitching_description": "photo 1: Visible perimeter and contrast-panel stitching is generally even, with decorative perforations along the flap edge; it does not establish Coach manufacture."
                },
                "possible_model_reasoning": [
                    "photo 1: The rectangular envelope silhouette could fit a generic shoulder clutch, but it does not match a recognizable Coach catalog model and no Coach identifier is visible.",
                    "photo 1-6: Condition appears Good to Very Good visually, with light marks and surface scuffs on the white exterior; interior and odor cannot be assessed."
                ],
                "confidence": 0.91,
                "recommended_max_bid": 8,
                "estimated_resale_low": 5,
                "estimated_resale_high": 25
            }
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "result": {
                "authenticity_concerns": [],
                "authenticity_confidence": 0.02,
                "coach_probability": 0.02,
                "confidence": 0.88,
                "estimated_era": "modern (2000s+), non-Coach",
                "estimated_resale_high": 15,
                "estimated_resale_low": 5,
                "image_quality_score": 0.65,
                "is_handbag_probability": 0.98,
                "missing_information": [
                    "photo 1-4: interior never shown, lining unknown",
                    "photo 1-6: no creed patch shown",
                    "photo 1-6: no Coach wordmark, hangtag, or branded hardware shown",
                    "photo 4: back view only, no bottom\/side\/interior views"
                ],
                "negative_evidence": [
                    "photo 1-3: white smooth synthetic with high sheen and black patent-like overlay, consistent with seller-stated faux leather, not glove-tanned cowhide",
                    "photo 1-4: no solid brass hardware, no turnlock, no dogleash clips, no hangtag visible",
                    "photo 1-6: no creed patch, no COACH wordmark, no horse-and-carriage visible",
                    "photo 1: wingtip perforated envelope silhouette with two-tone patent overlay has no match in Coach catalog"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "not_visible; no brass hardware, turnlock, buckles or zipper pulls visible",
                    "leather_description": "white smooth faux leather with uniform synthetic grain and sheen plus black high-gloss faux-patent overlay; not glove-tanned leather",
                    "lining_description": "not_visible",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "thin straight edge stitching in white thread matching body, visible in photo 5-6",
                    "strap_construction": "thin narrow white synthetic cord-like shoulder strap, no buckle adjustment or brass clips visible",
                    "turnlock_present": false
                },
                "positive_evidence": [],
                "possible_model_reasoning": [
                    "No Coach identifiers visible in any photo to decode for model or era",
                    "Construction in faux leather with no brass and wingtip envelope styling is inconsistent with vintage Coach glove-tanned classics",
                    "Condition: Good; light surface marks and scuffs on white faux leather visible photo 1 and photo 5, otherwise intact; interior unknown so grade capped"
                ],
                "possible_models": [],
                "recommended_max_bid": 8,
                "seller_misidentification_probability": 0.02,
                "vintage_probability": 0.05
            }
        }
    ],
    "_usage": [
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            "model_name": "openai:gpt-5.6-luna",
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            "output_tokens": 646,
            "total_tokens": 28046,
            "estimated_cost_usd": 0.01251
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 28877,
            "output_tokens": 1104,
            "total_tokens": 29981,
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}