Vintage Coach Hunter

{
    "is_handbag_probability": 0.97,
    "coach_probability": 0.02,
    "vintage_probability": 0.015,
    "authenticity_confidence": 0.02,
    "image_quality_score": 0.425,
    "seller_misidentification_probability": 0.025,
    "confidence": 0.815,
    "recommended_max_bid": 6.5,
    "estimated_resale_low": 5,
    "estimated_resale_high": 25,
    "possible_models": [],
    "positive_evidence": [
        "photo 1: clearly shows a handbag with two top handles and a structured tote\/satchel silhouette"
    ],
    "negative_evidence": [
        "photo 1: listing title identifies the material as PU leather, which is inconsistent with the glove-tanned leather typical of vintage Coach classics",
        "photo 1: all-over black geometric pattern is not a recognizable Coach Signature C pattern",
        "photo 1: no legible COACH wordmark, horse-and-carriage, creed patch, serial\/style number, or recognizable Coach hangtag is visible",
        "photo 1: the visible central round closure appears decorative rather than a vintage Coach turnlock",
        "photo 1: pink PU leather with black geometric line print - faux\/vegan material excludes vintage Coach glove-tanned leather",
        "photo 1: modern geometric mini-satchel silhouette with short rolled handles, no Coach catalog shape, no turnlock, no solid brass",
        "photo 1-3: no creed patch, no COACH wordmark, no horse-and-carriage, no hangtag visible",
        "photos 1-3 are identical distant lifestyle shots with no interior, bottom, or hardware detail to support Coach"
    ],
    "missing_information": [
        "Interior and lining are not shown",
        "No close-up of any interior label, creed patch, fabric tag, or serial\/style number",
        "No bottom, side, hardware, strap, or zipper-detail photos",
        "Listing appears to use a staged lifestyle image rather than detailed item photographs",
        "interior views including creed patch \/ lining not shown (photos 1-3 are identical lifestyle front view only)",
        "hardware close-ups, turnlock, zipper brand, hangtag not shown",
        "back, side, bottom, strap detail and dimensions not shown",
        "country of manufacture \/ any brand stamp not shown"
    ],
    "authenticity_concerns": [
        "photo 1: PU construction and generic geometric styling indicate a non-Coach fashion bag rather than a Coach product",
        "photo 1: absence of any visible Coach identifier prevents support for a Coach attribution",
        "photo 1-3: PU \/ synthetic material and printed geometric pattern incompatible with vintage Coach glove-tanned construction"
    ],
    "possible_model_reasoning": [
        "The structured geometric tote does not match the listed vintage Coach catalog silhouettes and lacks the identifiers needed for a Coach model assignment.",
        "The seller's PU description and modern geometric exterior support a contemporary generic bag classification.",
        "Condition cannot be reliably graded from the staged exterior image; interior, corners, strap, and functional hardware are not adequately documented.",
        "No Coach model fits: modern PU geometric-print satchel does not match any Classic glove-tanned, Signature canvas, or modern leather Coach catalog style in silhouette, material, or hardware",
        "Era reasoning: PU material, printed pattern, and fast-fashion lifestyle-only photos indicate modern (2000s+) non-Coach production",
        "Condition: appears new\/unused in staged lifestyle photos but cannot be graded without close-up front\/back\/bottom\/interior 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": "photo 1: small gold-tone round decorative center fitting; other hardware details are not visible",
        "leather_description": "photo 1: smooth pink synthetic-looking material; seller states PU leather",
        "lining_description": "not_visible",
        "strap_construction": "photo 1: top handles are visible; a detachable shoulder strap is not clearly visible despite the title",
        "stitching_description": "photo 1: perimeter and panel stitching are visible only at low detail; construction quality cannot be reliably assessed"
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.0002,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.99,
                "coach_probability": 0.02,
                "vintage_probability": 0.01,
                "authenticity_confidence": 0.02,
                "image_quality_score": 0.45,
                "seller_misidentification_probability": 0.03,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [
                    "photo 1: clearly shows a handbag with two top handles and a structured tote\/satchel silhouette"
                ],
                "negative_evidence": [
                    "photo 1: listing title identifies the material as PU leather, which is inconsistent with the glove-tanned leather typical of vintage Coach classics",
                    "photo 1: all-over black geometric pattern is not a recognizable Coach Signature C pattern",
                    "photo 1: no legible COACH wordmark, horse-and-carriage, creed patch, serial\/style number, or recognizable Coach hangtag is visible",
                    "photo 1: the visible central round closure appears decorative rather than a vintage Coach turnlock"
                ],
                "missing_information": [
                    "Interior and lining are not shown",
                    "No close-up of any interior label, creed patch, fabric tag, or serial\/style number",
                    "No bottom, side, hardware, strap, or zipper-detail photos",
                    "Listing appears to use a staged lifestyle image rather than detailed item photographs"
                ],
                "authenticity_concerns": [
                    "photo 1: PU construction and generic geometric styling indicate a non-Coach fashion bag rather than a Coach product",
                    "photo 1: absence of any visible Coach identifier prevents support for a 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": false,
                    "hardware_description": "photo 1: small gold-tone round decorative center fitting; other hardware details are not visible",
                    "leather_description": "photo 1: smooth pink synthetic-looking material; seller states PU leather",
                    "lining_description": "not_visible",
                    "strap_construction": "photo 1: top handles are visible; a detachable shoulder strap is not clearly visible despite the title",
                    "stitching_description": "photo 1: perimeter and panel stitching are visible only at low detail; construction quality cannot be reliably assessed"
                },
                "possible_model_reasoning": [
                    "The structured geometric tote does not match the listed vintage Coach catalog silhouettes and lacks the identifiers needed for a Coach model assignment.",
                    "The seller's PU description and modern geometric exterior support a contemporary generic bag classification.",
                    "Condition cannot be reliably graded from the staged exterior image; interior, corners, strap, and functional hardware are not adequately documented."
                ],
                "confidence": 0.83,
                "recommended_max_bid": 5,
                "estimated_resale_low": 5,
                "estimated_resale_high": 30
            }
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "result": {
                "authenticity_concerns": [
                    "photo 1-3: PU \/ synthetic material and printed geometric pattern incompatible with vintage Coach glove-tanned construction"
                ],
                "authenticity_confidence": 0.02,
                "coach_probability": 0.02,
                "confidence": 0.8,
                "estimated_era": "modern (2000s+), non-Coach",
                "estimated_resale_high": 20,
                "estimated_resale_low": 5,
                "image_quality_score": 0.4,
                "is_handbag_probability": 0.95,
                "missing_information": [
                    "interior views including creed patch \/ lining not shown (photos 1-3 are identical lifestyle front view only)",
                    "hardware close-ups, turnlock, zipper brand, hangtag not shown",
                    "back, side, bottom, strap detail and dimensions not shown",
                    "country of manufacture \/ any brand stamp not shown"
                ],
                "negative_evidence": [
                    "photo 1: pink PU leather with black geometric line print - faux\/vegan material excludes vintage Coach glove-tanned leather",
                    "photo 1: modern geometric mini-satchel silhouette with short rolled handles, no Coach catalog shape, no turnlock, no solid brass",
                    "photo 1-3: no creed patch, no COACH wordmark, no horse-and-carriage, no hangtag visible",
                    "photos 1-3 are identical distant lifestyle shots with no interior, bottom, or hardware detail to support Coach"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "not_visible except small gold-tone stud on front in photo 1; no turnlock, no brass hardware visible",
                    "leather_description": "photo 1: pink synthetic PU with black geometric triangle print, smooth coated appearance, not glove-tanned leather",
                    "lining_description": "not_visible",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "not_visible",
                    "strap_construction": "not_visible - detachable strap stated in title but not visible in photos 1-3",
                    "turnlock_present": false
                },
                "positive_evidence": [],
                "possible_model_reasoning": [
                    "No Coach model fits: modern PU geometric-print satchel does not match any Classic glove-tanned, Signature canvas, or modern leather Coach catalog style in silhouette, material, or hardware",
                    "Era reasoning: PU material, printed pattern, and fast-fashion lifestyle-only photos indicate modern (2000s+) non-Coach production",
                    "Condition: appears new\/unused in staged lifestyle photos but cannot be graded without close-up front\/back\/bottom\/interior views"
                ],
                "possible_models": [],
                "recommended_max_bid": 8,
                "seller_misidentification_probability": 0.02,
                "vintage_probability": 0.02
            }
        }
    ],
    "_usage": [
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            "output_tokens": 674,
            "total_tokens": 19452,
            "estimated_cost_usd": 0.009129
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 19484,
            "output_tokens": 1234,
            "total_tokens": 20718,
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}