Vintage Coach Hunter

{
    "is_handbag_probability": 0.975,
    "coach_probability": 0.03,
    "vintage_probability": 0.035,
    "authenticity_confidence": 0.035,
    "image_quality_score": 0.585,
    "seller_misidentification_probability": 0.035,
    "confidence": 0.665,
    "recommended_max_bid": 10,
    "estimated_resale_low": 10,
    "estimated_resale_high": 35,
    "possible_models": [],
    "positive_evidence": [
        "photo 1: clearly shows a large leather-like shoulder tote with multiple exterior pockets and two long straps"
    ],
    "negative_evidence": [
        "photo 1: no visible Coach wordmark, horse-and-carriage, creed patch, serial\/style number, or hangtag",
        "photo 1: smooth modern tote silhouette and prominent exterior pocket construction do not specifically match a recognizable vintage Coach model",
        "photo 1: seller lists the bag as unbranded, with no Coach-related description",
        "photo 1: no turnlock, no brass hardware, no hangtag, no COACH wordmark visible",
        "photo 1: silhouette is oversized soft cut-out-handle shopping tote with exterior slip pocket, does not match any vintage Coach catalog style",
        "photo 1: thin soft glossy leather with slouchy unstructured construction unlike 1970s-1990s glove-tanned classics",
        "photo 1: no solid-brass fittings, dogleash clips, or bead-chain hangtag seen"
    ],
    "missing_information": [
        "Interior view, including any creed patch or fabric tag",
        "Close-up photos of all hardware, zipper pulls, and strap attachments",
        "Bottom, side seams, corners, and stitching",
        "Photos confirming whether the material is genuine leather rather than synthetic",
        "photo 1 only lifestyle view: no interior, creed, bottom, or hardware close-ups to verify maker",
        "interior lining and any labels\/tags not shown",
        "hardware brand\/stamps and strap attachment details not visible"
    ],
    "authenticity_concerns": [
        "photo 1: no Coach identifiers are visible; the bag currently reads as a generic unbranded leather-look tote rather than an identifiable Coach product"
    ],
    "possible_model_reasoning": [
        "The large open-top tote with exterior pockets does not provide enough distinctive construction detail to match a Coach catalog model.",
        "No readable identifier is present, so Coach era and model cannot be determined.",
        "Condition appears approximately Very Good from the visible exterior, with normal creasing and possible edge softening; interior, bottom, corners, odor, and functional hardware are unassessed.",
        "photo 1 silhouette, integrated handles, exterior pocket and lack of hardware do not correspond to City Bag, Willis, Court, Station, Duffle Sac or other classics",
        "no creed, wordmark, turnlock or brass hardware visible to support Coach manufacture",
        "Condition: not gradable beyond appearing new-like in lifestyle photo; only one view, no corners, interior or strap 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": "not_visible - no metal hardware visible in photo 1",
        "leather_description": "Brown smooth, mildly textured leather-like material is visible; genuine leather cannot be confirmed from this photo.",
        "lining_description": "not_visible",
        "strap_construction": "Two wide shoulder straps appear integrated into the upper bag structure; attachment details are not shown clearly.",
        "stitching_description": "Visible perimeter and pocket stitching appears generally even, but close-up assessment is not possible."
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.0031,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.98,
                "coach_probability": 0.04,
                "vintage_probability": 0.03,
                "authenticity_confidence": 0.04,
                "image_quality_score": 0.72,
                "seller_misidentification_probability": 0.04,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [
                    "photo 1: clearly shows a large leather-like shoulder tote with multiple exterior pockets and two long straps"
                ],
                "negative_evidence": [
                    "photo 1: no visible Coach wordmark, horse-and-carriage, creed patch, serial\/style number, or hangtag",
                    "photo 1: smooth modern tote silhouette and prominent exterior pocket construction do not specifically match a recognizable vintage Coach model",
                    "photo 1: seller lists the bag as unbranded, with no Coach-related description"
                ],
                "missing_information": [
                    "Interior view, including any creed patch or fabric tag",
                    "Close-up photos of all hardware, zipper pulls, and strap attachments",
                    "Bottom, side seams, corners, and stitching",
                    "Photos confirming whether the material is genuine leather rather than synthetic"
                ],
                "authenticity_concerns": [
                    "photo 1: no Coach identifiers are visible; the bag currently reads as a generic unbranded leather-look tote rather than an identifiable Coach product"
                ],
                "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": "Brown smooth, mildly textured leather-like material is visible; genuine leather cannot be confirmed from this photo.",
                    "lining_description": "not_visible",
                    "strap_construction": "Two wide shoulder straps appear integrated into the upper bag structure; attachment details are not shown clearly.",
                    "stitching_description": "Visible perimeter and pocket stitching appears generally even, but close-up assessment is not possible."
                },
                "possible_model_reasoning": [
                    "The large open-top tote with exterior pockets does not provide enough distinctive construction detail to match a Coach catalog model.",
                    "No readable identifier is present, so Coach era and model cannot be determined.",
                    "Condition appears approximately Very Good from the visible exterior, with normal creasing and possible edge softening; interior, bottom, corners, odor, and functional hardware are unassessed."
                ],
                "confidence": 0.61,
                "recommended_max_bid": 10,
                "estimated_resale_low": 15,
                "estimated_resale_high": 45
            }
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "result": {
                "authenticity_concerns": [],
                "authenticity_confidence": 0.03,
                "coach_probability": 0.02,
                "confidence": 0.72,
                "estimated_era": "modern (2000s+), non-Coach",
                "estimated_resale_high": 25,
                "estimated_resale_low": 5,
                "image_quality_score": 0.45,
                "is_handbag_probability": 0.97,
                "missing_information": [
                    "photo 1 only lifestyle view: no interior, creed, bottom, or hardware close-ups to verify maker",
                    "interior lining and any labels\/tags not shown",
                    "hardware brand\/stamps and strap attachment details not visible"
                ],
                "negative_evidence": [
                    "photo 1: no turnlock, no brass hardware, no hangtag, no COACH wordmark visible",
                    "photo 1: silhouette is oversized soft cut-out-handle shopping tote with exterior slip pocket, does not match any vintage Coach catalog style",
                    "photo 1: thin soft glossy leather with slouchy unstructured construction unlike 1970s-1990s glove-tanned classics",
                    "photo 1: no solid-brass fittings, dogleash clips, or bead-chain hangtag seen"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "not_visible - no metal hardware visible in photo 1",
                    "leather_description": "photo 1: medium-brown soft-appearing leather with pebbled texture and high sheen, thin and slouchy, modern casual tote",
                    "lining_description": "not_visible",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "not_visible - seams not legible in photo 1",
                    "strap_construction": "photo 1: integrated body-cut shoulder handles, no detachable strap, no buckles or clips visible",
                    "turnlock_present": false
                },
                "positive_evidence": [],
                "possible_model_reasoning": [
                    "photo 1 silhouette, integrated handles, exterior pocket and lack of hardware do not correspond to City Bag, Willis, Court, Station, Duffle Sac or other classics",
                    "no creed, wordmark, turnlock or brass hardware visible to support Coach manufacture",
                    "Condition: not gradable beyond appearing new-like in lifestyle photo; only one view, no corners, interior or strap wear visible"
                ],
                "possible_models": [],
                "recommended_max_bid": 10,
                "seller_misidentification_probability": 0.03,
                "vintage_probability": 0.04
            }
        }
    ],
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 15856,
            "output_tokens": 640,
            "total_tokens": 16496,
            "estimated_cost_usd": 0.007878
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 16142,
            "output_tokens": 1219,
            "total_tokens": 17361,
            "estimated_cost_usd": 0.004204
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}