Vintage Coach Hunter

{
    "is_handbag_probability": 0.985,
    "coach_probability": 0.02,
    "vintage_probability": 0.31,
    "authenticity_confidence": 0.02,
    "image_quality_score": 0.69,
    "seller_misidentification_probability": 0.035,
    "confidence": 0.87,
    "recommended_max_bid": 9,
    "estimated_resale_low": 12.5,
    "estimated_resale_high": 35,
    "possible_models": [],
    "positive_evidence": [
        "photo 1: Clearly a handbag with a structured rectangular body and two shoulder straps.",
        "photo 1: The exterior appears to be genuine eel skin, consistent with the seller's description."
    ],
    "negative_evidence": [
        "photo 3: Visible fabric label reads \"GENUINE EEL SKIN\" and \"MADE IN KOREA,\" not Coach branding.",
        "photo 1: No visible Coach wordmark, horse-and-carriage emblem, hangtag, or creed patch.",
        "photo 2: The bag has a generic tote construction rather than a recognizable classic Coach silhouette.",
        "photo 1: Glossy textured eel skin is not the glove-tanned cowhide typical of the vintage Coach classics.",
        "photo 3: interior fabric tag reads GENUINE EEL SKIN SUNCO MADE IN KOREA - explicit non-Coach maker",
        "photo 1, photo 2: glossy eel-skin panels with ruffle detailing, not Coach glove-tanned cowhide",
        "photo 1, photo 2: no turnlock, no leather creed patch, no COACH wordmark, no hangtag visible",
        "photo 1, photo 2: thin dual shoulder tote silhouette with no catalog Coach match"
    ],
    "missing_information": [
        "photo 1-3: Interior, closure, lining, pockets, zipper hardware, and bottom are not shown.",
        "photo 1-3: No close-up of any interior brand label or additional maker tag.",
        "photo 1-3: Strap attachment points and stitching are only partly visible.",
        "interior views including any additional labels not shown (photo 3 shows only SUNCO tag)",
        "bottom, side and close-up hardware\/stitching views not shown",
        "exact dimensions and strap drop not verified in photos beyond seller text"
    ],
    "authenticity_concerns": [
        "photo 3: Made in Korea labeling is inconsistent with the construction and labeling expected of vintage Coach; the visible label instead identifies a Korean eel-skin bag.",
        "photo 1-3: No Coach identifier is visible, making this most consistent with a non-Coach lookalike or unrelated handbag.",
        "photo 1, photo 2: eel-skin body and overall construction inconsistent with Coach glove-tanned classics; no Coach identifiers to reconcile"
    ],
    "possible_model_reasoning": [
        "The rectangular shoulder-tote silhouette and eel-skin material do not match the listed vintage Coach classic models.",
        "Photo 3 identifies the material and country as eel skin made in Korea, supporting a non-Coach classification rather than a Coach era determination.",
        "Condition: Good, based on visible surface wear\/creasing and glossy scuff-prone material in photos 1-2; interior, bottom, and functional hardware are unassessed.",
        "No Coach model fits: eel-skin material, SUNCO Korea label, tote with ruffle trim and thin straps matches 1980s-1990s SUNCO eel-skin tote, not any catalog Coach style",
        "Era reasoning: eel-skin totes of this type are typically 1980s-1990s, but as non-Coach emitted as modern (2000s+), non-Coach per contract vocabulary",
        "Condition: seller states good vintage pre-owned with no ink marks, rips or tears; photos show glossy surface with creasing and wear consistent with used but intact; grade capped by missing interior\/bottom views"
    ],
    "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": "not_visible - no brass turnlock, zipper pull or other hardware visible in photos",
        "leather_description": "Dark brown, glossy, vertically textured eel skin is visible in photos 1-2; the seller states it is genuine eel skin.",
        "lining_description": "not_visible - interior lining not shown; only white SUNCO fabric tag visible in photo 3",
        "strap_construction": "Two long, narrow shoulder straps attached directly to the upper body; attachment details are only partly visible in photos 1-2.",
        "stitching_description": "Straight perimeter and panel stitching is visible in photos 1-2, but detail and consistency cannot be evaluated closely."
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.0064,
    "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": 0.78,
                "seller_misidentification_probability": 0.02,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [
                    "photo 1: Clearly a handbag with a structured rectangular body and two shoulder straps.",
                    "photo 1: The exterior appears to be genuine eel skin, consistent with the seller's description."
                ],
                "negative_evidence": [
                    "photo 3: Visible fabric label reads \"GENUINE EEL SKIN\" and \"MADE IN KOREA,\" not Coach branding.",
                    "photo 1: No visible Coach wordmark, horse-and-carriage emblem, hangtag, or creed patch.",
                    "photo 2: The bag has a generic tote construction rather than a recognizable classic Coach silhouette.",
                    "photo 1: Glossy textured eel skin is not the glove-tanned cowhide typical of the vintage Coach classics."
                ],
                "missing_information": [
                    "photo 1-3: Interior, closure, lining, pockets, zipper hardware, and bottom are not shown.",
                    "photo 1-3: No close-up of any interior brand label or additional maker tag.",
                    "photo 1-3: Strap attachment points and stitching are only partly visible."
                ],
                "authenticity_concerns": [
                    "photo 3: Made in Korea labeling is inconsistent with the construction and labeling expected of vintage Coach; the visible label instead identifies a Korean eel-skin bag.",
                    "photo 1-3: No Coach identifier is visible, making this most consistent with a non-Coach lookalike or unrelated handbag."
                ],
                "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": "not_visible",
                    "leather_description": "Dark brown, glossy, vertically textured eel skin is visible in photos 1-2; the seller states it is genuine eel skin.",
                    "lining_description": "not_visible",
                    "strap_construction": "Two long, narrow shoulder straps attached directly to the upper body; attachment details are only partly visible in photos 1-2.",
                    "stitching_description": "Straight perimeter and panel stitching is visible in photos 1-2, but detail and consistency cannot be evaluated closely."
                },
                "possible_model_reasoning": [
                    "The rectangular shoulder-tote silhouette and eel-skin material do not match the listed vintage Coach classic models.",
                    "Photo 3 identifies the material and country as eel skin made in Korea, supporting a non-Coach classification rather than a Coach era determination.",
                    "Condition: Good, based on visible surface wear\/creasing and glossy scuff-prone material in photos 1-2; interior, bottom, and functional hardware are unassessed."
                ],
                "confidence": 0.86,
                "recommended_max_bid": 10,
                "estimated_resale_low": 15,
                "estimated_resale_high": 45
            }
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "result": {
                "authenticity_concerns": [
                    "photo 1, photo 2: eel-skin body and overall construction inconsistent with Coach glove-tanned classics; no Coach identifiers to reconcile"
                ],
                "authenticity_confidence": 0.02,
                "coach_probability": 0.02,
                "confidence": 0.88,
                "estimated_era": "modern (2000s+), non-Coach",
                "estimated_resale_high": 25,
                "estimated_resale_low": 10,
                "image_quality_score": 0.6,
                "is_handbag_probability": 0.99,
                "missing_information": [
                    "interior views including any additional labels not shown (photo 3 shows only SUNCO tag)",
                    "bottom, side and close-up hardware\/stitching views not shown",
                    "exact dimensions and strap drop not verified in photos beyond seller text"
                ],
                "negative_evidence": [
                    "photo 3: interior fabric tag reads GENUINE EEL SKIN SUNCO MADE IN KOREA - explicit non-Coach maker",
                    "photo 1, photo 2: glossy eel-skin panels with ruffle detailing, not Coach glove-tanned cowhide",
                    "photo 1, photo 2: no turnlock, no leather creed patch, no COACH wordmark, no hangtag visible",
                    "photo 1, photo 2: thin dual shoulder tote silhouette with no catalog Coach match"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "not_visible - no brass turnlock, zipper pull or other hardware visible in photos",
                    "leather_description": "photo 1, photo 2: dark brown genuine eel skin with glossy smooth finish and vertical panel seams plus front ruffle detailing",
                    "lining_description": "not_visible - interior lining not shown; only white SUNCO fabric tag visible in photo 3",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "photo 1, photo 2: vertical panel stitching visible but fine detail not legible due to gloss and resolution",
                    "strap_construction": "photo 1, photo 2: dual long thin unpadded shoulder straps in same dark brown eel-skin material, topstitched attachment",
                    "turnlock_present": false
                },
                "positive_evidence": [],
                "possible_model_reasoning": [
                    "No Coach model fits: eel-skin material, SUNCO Korea label, tote with ruffle trim and thin straps matches 1980s-1990s SUNCO eel-skin tote, not any catalog Coach style",
                    "Era reasoning: eel-skin totes of this type are typically 1980s-1990s, but as non-Coach emitted as modern (2000s+), non-Coach per contract vocabulary",
                    "Condition: seller states good vintage pre-owned with no ink marks, rips or tears; photos show glossy surface with creasing and wear consistent with used but intact; grade capped by missing interior\/bottom views"
                ],
                "possible_models": [],
                "recommended_max_bid": 8,
                "seller_misidentification_probability": 0.05,
                "vintage_probability": 0.5
            }
        }
    ],
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 16646,
            "output_tokens": 761,
            "total_tokens": 17407,
            "estimated_cost_usd": 0.008485
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 17065,
            "output_tokens": 1557,
            "total_tokens": 18622,
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}