Vintage Coach Hunter

{
    "is_handbag_probability": 0.99,
    "coach_probability": 0.025,
    "vintage_probability": 0.02,
    "authenticity_confidence": 0.02,
    "image_quality_score": 0.66,
    "seller_misidentification_probability": 0.03,
    "confidence": 0.805,
    "recommended_max_bid": 6.5,
    "estimated_resale_low": 5,
    "estimated_resale_high": 25,
    "possible_models": [],
    "positive_evidence": [],
    "negative_evidence": [
        "photo 1: bag is a canvas hobo\/messenger style with no visible Coach wordmark, horse-and-carriage, creed patch, or serial\/style number",
        "photo 1: silver-tone ring and rivet hardware appears generic rather than the solid brass hardware typical of many vintage Coach classics",
        "photo 1: visible hangtag does not appear to read COACH",
        "photo 1: listing title identifies a generic canvas handbag and seller brand is Unbranded",
        "photo 1: plain washed canvas slouchy hobo body, not glove-tanned cowhide",
        "photo 1: dark gunmetal-tone O-rings, rivets and clasps, not vintage solid brass",
        "photo 1: paper retail tags with non-Coach text hanging from handle, no leather COACH hangtag",
        "photo 1: no turnlock, no COACH wordmark, no horse-and-carriage visible",
        "listing title states canvas messenger \/ crossbody, seller_brand Unbranded"
    ],
    "missing_information": [
        "photo 1: interior, creed area, fabric tags, zipper pulls, strap attachment details, and bottom are not shown",
        "photo 1: hangtag text is too small to verify fully",
        "request a straight-on interior photo and close-ups of every tag and hardware marking",
        "interior \/ lining view not shown",
        "creed patch not shown",
        "back, side, bottom views not shown",
        "hardware close-ups and handle attachments not shown"
    ],
    "authenticity_concerns": [
        "photo 1: construction and branding cues are consistent with a generic modern canvas bag rather than an identifiable Coach product",
        "photo 1: no Coach identifier is visible; silhouette alone is not sufficient for Coach attribution",
        "photo 1: canvas body and modern casual hobo construction inconsistent with vintage Coach glove-tanned leather classics"
    ],
    "possible_model_reasoning": [
        "photo 1: broad soft canvas hobo silhouette does not provide a reliable match to a specific Coach model",
        "photo 1: no visible creed, style number, or Coach branding means no Coach model can be ranked",
        "Condition: cannot reliably grade because only one front product-style photo is provided; interior, bottom, corners, and strap condition are not shown",
        "Slouchy canvas hobo with side O-rings and rolled handles does not match any vintage Coach catalog silhouette in leather with turnlock and creed",
        "Materials (canvas body, plated hardware, paper tags) point to modern fast-fashion, not Coach manufacture",
        "Condition appears new with tags from photo 1, but no Coach identifiers to grade as Coach"
    ],
    "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: silver-tone circular rings, rivets, clips, and strap fittings; no legible Coach engraving visible",
        "leather_description": "photo 1: brown\/taupe woven canvas body with dark brown smooth-looking trim or handles; leather type cannot be confirmed",
        "lining_description": "not_visible",
        "strap_construction": "photo 1: paired dark handles attached with rings and clips; a long shoulder\/crossbody strap is not clearly shown",
        "stitching_description": "photo 1: visible machine stitching appears generally even, but construction details are insufficient for brand attribution"
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.0008,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.99,
                "coach_probability": 0.03,
                "vintage_probability": 0.02,
                "authenticity_confidence": 0.02,
                "image_quality_score": 0.72,
                "seller_misidentification_probability": 0.04,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [],
                "negative_evidence": [
                    "photo 1: bag is a canvas hobo\/messenger style with no visible Coach wordmark, horse-and-carriage, creed patch, or serial\/style number",
                    "photo 1: silver-tone ring and rivet hardware appears generic rather than the solid brass hardware typical of many vintage Coach classics",
                    "photo 1: visible hangtag does not appear to read COACH",
                    "photo 1: listing title identifies a generic canvas handbag and seller brand is Unbranded"
                ],
                "missing_information": [
                    "photo 1: interior, creed area, fabric tags, zipper pulls, strap attachment details, and bottom are not shown",
                    "photo 1: hangtag text is too small to verify fully",
                    "request a straight-on interior photo and close-ups of every tag and hardware marking"
                ],
                "authenticity_concerns": [
                    "photo 1: construction and branding cues are consistent with a generic modern canvas bag rather than an identifiable Coach product",
                    "photo 1: no Coach identifier is visible; silhouette alone is not sufficient for Coach attribution"
                ],
                "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": true,
                    "hardware_description": "photo 1: silver-tone circular rings, rivets, clips, and strap fittings; no legible Coach engraving visible",
                    "leather_description": "photo 1: brown\/taupe woven canvas body with dark brown smooth-looking trim or handles; leather type cannot be confirmed",
                    "lining_description": "not_visible",
                    "strap_construction": "photo 1: paired dark handles attached with rings and clips; a long shoulder\/crossbody strap is not clearly shown",
                    "stitching_description": "photo 1: visible machine stitching appears generally even, but construction details are insufficient for brand attribution"
                },
                "possible_model_reasoning": [
                    "photo 1: broad soft canvas hobo silhouette does not provide a reliable match to a specific Coach model",
                    "photo 1: no visible creed, style number, or Coach branding means no Coach model can be ranked",
                    "Condition: cannot reliably grade because only one front product-style photo is provided; interior, bottom, corners, and strap condition are not shown"
                ],
                "confidence": 0.76,
                "recommended_max_bid": 5,
                "estimated_resale_low": 5,
                "estimated_resale_high": 30
            }
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "result": {
                "authenticity_concerns": [
                    "photo 1: canvas body and modern casual hobo construction inconsistent with vintage Coach glove-tanned leather classics"
                ],
                "authenticity_confidence": 0.02,
                "coach_probability": 0.02,
                "confidence": 0.85,
                "estimated_era": "modern (2000s+), non-Coach",
                "estimated_resale_high": 20,
                "estimated_resale_low": 5,
                "image_quality_score": 0.6,
                "is_handbag_probability": 0.99,
                "missing_information": [
                    "interior \/ lining view not shown",
                    "creed patch not shown",
                    "back, side, bottom views not shown",
                    "hardware close-ups and handle attachments not shown"
                ],
                "negative_evidence": [
                    "photo 1: plain washed canvas slouchy hobo body, not glove-tanned cowhide",
                    "photo 1: dark gunmetal-tone O-rings, rivets and clasps, not vintage solid brass",
                    "photo 1: paper retail tags with non-Coach text hanging from handle, no leather COACH hangtag",
                    "photo 1: no turnlock, no COACH wordmark, no horse-and-carriage visible",
                    "listing title states canvas messenger \/ crossbody, seller_brand Unbranded"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "gunmetal \/ dark silver-tone large side O-rings, small rivets and swivel clasps at handle attachments",
                    "leather_description": "no leather body visible; washed canvas body with dark brown rolled handles appearing faux-leather",
                    "lining_description": "not_visible",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "visible center front seam and top-edge stitching on canvas; detail limited by single view",
                    "strap_construction": "short double top handles attached via metal clasps and canvas tabs; no detachable crossbody strap visible",
                    "turnlock_present": false
                },
                "positive_evidence": [],
                "possible_model_reasoning": [
                    "Slouchy canvas hobo with side O-rings and rolled handles does not match any vintage Coach catalog silhouette in leather with turnlock and creed",
                    "Materials (canvas body, plated hardware, paper tags) point to modern fast-fashion, not Coach manufacture",
                    "Condition appears new with tags from photo 1, but no Coach identifiers to grade as Coach"
                ],
                "possible_models": [],
                "recommended_max_bid": 8,
                "seller_misidentification_probability": 0.02,
                "vintage_probability": 0.02
            }
        }
    ],
    "_usage": [
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            "model_name": "meta:muse-spark-1.3-contributor",
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}