Vintage Coach Hunter

{
    "is_handbag_probability": 0.975,
    "coach_probability": 0.025,
    "vintage_probability": 0.065,
    "authenticity_confidence": 0.025,
    "image_quality_score": 0.615,
    "seller_misidentification_probability": 0.07,
    "confidence": 0.81,
    "recommended_max_bid": 13.5,
    "estimated_resale_low": 7.5,
    "estimated_resale_high": 30,
    "possible_models": [],
    "positive_evidence": [
        "photo 1: clearly a handbag with a shoulder strap and drawstring-style opening.",
        "photo 1: the body appears to be leather or leather-like material."
    ],
    "negative_evidence": [
        "photo 1: woven\/braided geometric construction and drawstring dumpling silhouette do not match the documented vintage Coach classic silhouettes.",
        "photo 1: no visible COACH wordmark, horse-and-carriage, creed patch, serial\/style number, or recognizable Coach hardware.",
        "photo 1: no visible brass turnlock, dogleash clips, or other characteristic vintage Coach hardware.",
        "photo 1: the plain dark material and woven construction are more consistent with an unbranded contemporary fashion bag than vintage Coach.",
        "photo 1: intrecciato-style handwoven dumpling\/pouch silhouette with gathered top and knotted thin shoulder strap - not a Coach catalog silhouette from any era",
        "photo 1: no turnlock, no brass hardware, no hangtag, no COACH wordmark or horse-and-carriage visible",
        "photo 1: woven strip construction with smooth coated-looking leather, not vintage Coach glove-tanned cowhide with unlined suede interior",
        "photo 1: no creed patch visible and no interior view to check for one"
    ],
    "missing_information": [
        "photo 1: interior, creed area, lining, bottom, strap attachments, and hardware close-ups are not shown.",
        "photo 1: material cannot be confirmed as genuine cowhide leather from this view alone.",
        "A straight-on close-up of any interior label, stamp, or tag would be needed to evaluate brand attribution.",
        "photo 1 only front view: no interior, creed, bottom, side, or hardware close-ups to fully exclude identifiers",
        "interior lining and any stamps\/labels not shown",
        "strap hardware and construction details not shown"
    ],
    "authenticity_concerns": [
        "photo 1: no Coach identifiers are visible, and the silhouette\/construction is not a close match for the vintage Coach catalog.",
        "photo 1: the braided pattern and drawstring form could be a generic or Coach-inspired design, but there is no evidence of Coach manufacture."
    ],
    "possible_model_reasoning": [
        "photo 1: the dumpling\/bucket silhouette and woven body do not correspond closely to a documented vintage Coach model; no Coach model is proposed.",
        "Condition: cannot be fully graded because the interior, bottom, and strap details are not shown; the visible exterior appears intact with minor handling creases.",
        "photo 1 matches modern Bottega Veneta Pouch \/ dumpling-bag dupe type, not any Coach Classic, Cashin, or modern Coach line; no Coach identifiers to decode",
        "Condition: unknown - single front view only, no corners, bottom, interior or strap wear visible to grade"
    ],
    "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; braided leather-like body with a drawstring opening and narrow shoulder strap.",
        "leather_description": "photo 1: dark brown\/mauve material with woven strips; appears leather or leather-like, but genuine leather is not confirmable.",
        "lining_description": "not_visible",
        "strap_construction": "photo 1: narrow matching shoulder strap attached at the sides; construction details are not visible.",
        "stitching_description": "photo 1: visible seams appear generally even, but close-up stitching quality is not assessable."
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.0043,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.98,
                "coach_probability": 0.03,
                "vintage_probability": 0.08,
                "authenticity_confidence": 0.03,
                "image_quality_score": 0.78,
                "seller_misidentification_probability": 0.12,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [
                    "photo 1: clearly a handbag with a shoulder strap and drawstring-style opening.",
                    "photo 1: the body appears to be leather or leather-like material."
                ],
                "negative_evidence": [
                    "photo 1: woven\/braided geometric construction and drawstring dumpling silhouette do not match the documented vintage Coach classic silhouettes.",
                    "photo 1: no visible COACH wordmark, horse-and-carriage, creed patch, serial\/style number, or recognizable Coach hardware.",
                    "photo 1: no visible brass turnlock, dogleash clips, or other characteristic vintage Coach hardware.",
                    "photo 1: the plain dark material and woven construction are more consistent with an unbranded contemporary fashion bag than vintage Coach."
                ],
                "missing_information": [
                    "photo 1: interior, creed area, lining, bottom, strap attachments, and hardware close-ups are not shown.",
                    "photo 1: material cannot be confirmed as genuine cowhide leather from this view alone.",
                    "A straight-on close-up of any interior label, stamp, or tag would be needed to evaluate brand attribution."
                ],
                "authenticity_concerns": [
                    "photo 1: no Coach identifiers are visible, and the silhouette\/construction is not a close match for the vintage Coach catalog.",
                    "photo 1: the braided pattern and drawstring form could be a generic or Coach-inspired design, but there is no evidence of Coach manufacture."
                ],
                "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; braided leather-like body with a drawstring opening and narrow shoulder strap.",
                    "leather_description": "photo 1: dark brown\/mauve material with woven strips; appears leather or leather-like, but genuine leather is not confirmable.",
                    "lining_description": "not_visible",
                    "strap_construction": "photo 1: narrow matching shoulder strap attached at the sides; construction details are not visible.",
                    "stitching_description": "photo 1: visible seams appear generally even, but close-up stitching quality is not assessable."
                },
                "possible_model_reasoning": [
                    "photo 1: the dumpling\/bucket silhouette and woven body do not correspond closely to a documented vintage Coach model; no Coach model is proposed.",
                    "Condition: cannot be fully graded because the interior, bottom, and strap details are not shown; the visible exterior appears intact with minor handling creases."
                ],
                "confidence": 0.82,
                "recommended_max_bid": 15,
                "estimated_resale_low": 5,
                "estimated_resale_high": 30
            }
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "result": {
                "authenticity_concerns": [],
                "authenticity_confidence": 0.02,
                "coach_probability": 0.02,
                "confidence": 0.8,
                "estimated_era": "modern (2000s+), non-Coach",
                "estimated_resale_high": 30,
                "estimated_resale_low": 10,
                "image_quality_score": 0.45,
                "is_handbag_probability": 0.97,
                "missing_information": [
                    "photo 1 only front view: no interior, creed, bottom, side, or hardware close-ups to fully exclude identifiers",
                    "interior lining and any stamps\/labels not shown",
                    "strap hardware and construction details not shown"
                ],
                "negative_evidence": [
                    "photo 1: intrecciato-style handwoven dumpling\/pouch silhouette with gathered top and knotted thin shoulder strap - not a Coach catalog silhouette from any era",
                    "photo 1: no turnlock, no brass hardware, no hangtag, no COACH wordmark or horse-and-carriage visible",
                    "photo 1: woven strip construction with smooth coated-looking leather, not vintage Coach glove-tanned cowhide with unlined suede interior",
                    "photo 1: no creed patch visible and no interior view to check for one"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "not_visible - no brass hardware, turnlock, zipper or clips visible in photo 1",
                    "leather_description": "photo 1: brown woven strip leather, smooth finish, intrecciato-like weave forming dumpling pouch body",
                    "lining_description": "not_visible",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "not_visible",
                    "strap_construction": "photo 1: thin dark brown shoulder strap knotted at sides, bundled at top with white wrap; full length, adjustment and attachments not visible",
                    "turnlock_present": false
                },
                "positive_evidence": [],
                "possible_model_reasoning": [
                    "photo 1 matches modern Bottega Veneta Pouch \/ dumpling-bag dupe type, not any Coach Classic, Cashin, or modern Coach line; no Coach identifiers to decode",
                    "Condition: unknown - single front view only, no corners, bottom, interior or strap wear visible to grade"
                ],
                "possible_models": [],
                "recommended_max_bid": 12,
                "seller_misidentification_probability": 0.02,
                "vintage_probability": 0.05
            }
        }
    ],
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 16170,
            "output_tokens": 616,
            "total_tokens": 16786,
            "estimated_cost_usd": 0.007946
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 16531,
            "output_tokens": 952,
            "total_tokens": 17483,
            "estimated_cost_usd": 0.004068
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}