Vintage Coach Hunter

{
    "is_handbag_probability": 0.985,
    "coach_probability": 0.025,
    "vintage_probability": 0.035,
    "authenticity_confidence": 0.03,
    "image_quality_score": 0.585,
    "seller_misidentification_probability": 0.05,
    "confidence": 0.74,
    "recommended_max_bid": 10,
    "estimated_resale_low": 5,
    "estimated_resale_high": 27.5,
    "possible_models": [],
    "positive_evidence": [
        "photo 1: clearly shaped as a handbag with two handles and a top zipper.",
        "photo 2: full exterior silhouette and handle attachment points are visible."
    ],
    "negative_evidence": [
        "photo 1: glossy, heavily wrinkled surface appears more like coated or synthetic material than vintage Coach glove-tanned leather.",
        "photo 1: no Coach wordmark, horse-and-carriage, creed patch, hangtag, turnlock, or other Coach identifier is visible.",
        "photo 1: zipper-top bowler construction does not closely match the listed classic vintage Coach turnlock silhouettes.",
        "photo 2: visible hardware is limited to zipper components; no characteristic solid-brass Coach hardware is apparent.",
        "photo 3: the bag has a highly glossy modern finish and lacks visible vintage construction identifiers.",
        "listing title: seller describes the item as unbranded, with no Coach claim; this is weak contextual evidence only.",
        "photo 1,2,3: zip-top bowler\/baguette silhouette with thin rolled double handles on small O-rings - no catalog Coach classic shape, no turnlock flap",
        "photo 1,2,3: high-gloss crinkled coated finish unlike matte glove-tanned cowhide with natural grain",
        "photo 1,2,3: no creed patch, no COACH wordmark, no horse-and-carriage, no leather hangtag visible",
        "photo 1,2,3: staged lifestyle stock-type images with no interior, bottom or detail views, consistent with new fast-fashion listing"
    ],
    "missing_information": [
        "Interior view, including any creed patch, fabric tag, or brand label.",
        "Close-up of the zipper pull and all hardware.",
        "Bottom, corners, side gussets, and handle attachment details.",
        "Strap or handle underside and stitching close-ups.",
        "Seller-stated material, dimensions, country of manufacture, and condition details.",
        "no interior \/ lining view shown in any photo - creed patch cannot be checked",
        "no creed close-up or Made-in line visible",
        "no bottom, side, back detail or scale\/dimensions",
        "no hardware close-up showing zipper brand or engravings",
        "no hangtag or wordmark detail shown"
    ],
    "authenticity_concerns": [
        "photo 1: glossy coated-looking material and modern bowler construction are inconsistent with the usual unlined glove-tanned leather and brass-hardware profile of vintage Coach.",
        "photos 1-3: no Coach identifier is visible, so Coach manufacture cannot be supported from these images."
    ],
    "possible_model_reasoning": [
        "No Coach model is proposed because the bag lacks a visible Coach identifier and its zipper-top bowler silhouette is generic.",
        "Condition: image-limited; exterior appears intact in the staged photos, but interior, bottom, corners, odor, and functional hardware condition are unknown.",
        "no Coach identifier visible in photos 1-3 to decode era or style; silhouette, zip closure, thin handles and glossy finish do not match any 1970s-1990s glove-tanned classic (City, Willis, Court, Station, Duffle, Dinky etc.)",
        "Condition: appears New\/unused in staged photos but cannot grade without interior\/bottom\/close-ups; treat as new generic bag"
    ],
    "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: zipper closure with small metallic zipper hardware; other hardware details are not visible.",
        "leather_description": "photo 1: glossy red, heavily wrinkled surface; exact material is not determinable from photos and may be coated or synthetic.",
        "lining_description": "not_visible",
        "strap_construction": "photo 1: two long, narrow fixed handles attached with stitched rectangular tabs and small metal rings.",
        "stitching_description": "photo 1: visible perimeter and handle-tab stitching appears regular; fine stitch quality cannot be assessed reliably."
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.003,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.98,
                "coach_probability": 0.03,
                "vintage_probability": 0.04,
                "authenticity_confidence": 0.03,
                "image_quality_score": 0.72,
                "seller_misidentification_probability": 0.08,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [
                    "photo 1: clearly shaped as a handbag with two handles and a top zipper.",
                    "photo 2: full exterior silhouette and handle attachment points are visible."
                ],
                "negative_evidence": [
                    "photo 1: glossy, heavily wrinkled surface appears more like coated or synthetic material than vintage Coach glove-tanned leather.",
                    "photo 1: no Coach wordmark, horse-and-carriage, creed patch, hangtag, turnlock, or other Coach identifier is visible.",
                    "photo 1: zipper-top bowler construction does not closely match the listed classic vintage Coach turnlock silhouettes.",
                    "photo 2: visible hardware is limited to zipper components; no characteristic solid-brass Coach hardware is apparent.",
                    "photo 3: the bag has a highly glossy modern finish and lacks visible vintage construction identifiers.",
                    "listing title: seller describes the item as unbranded, with no Coach claim; this is weak contextual evidence only."
                ],
                "missing_information": [
                    "Interior view, including any creed patch, fabric tag, or brand label.",
                    "Close-up of the zipper pull and all hardware.",
                    "Bottom, corners, side gussets, and handle attachment details.",
                    "Strap or handle underside and stitching close-ups.",
                    "Seller-stated material, dimensions, country of manufacture, and condition details."
                ],
                "authenticity_concerns": [
                    "photo 1: glossy coated-looking material and modern bowler construction are inconsistent with the usual unlined glove-tanned leather and brass-hardware profile of vintage Coach.",
                    "photos 1-3: no Coach identifier is visible, so Coach manufacture cannot be supported from these images."
                ],
                "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: zipper closure with small metallic zipper hardware; other hardware details are not visible.",
                    "leather_description": "photo 1: glossy red, heavily wrinkled surface; exact material is not determinable from photos and may be coated or synthetic.",
                    "lining_description": "not_visible",
                    "strap_construction": "photo 1: two long, narrow fixed handles attached with stitched rectangular tabs and small metal rings.",
                    "stitching_description": "photo 1: visible perimeter and handle-tab stitching appears regular; fine stitch quality cannot be assessed reliably."
                },
                "possible_model_reasoning": [
                    "No Coach model is proposed because the bag lacks a visible Coach identifier and its zipper-top bowler silhouette is generic.",
                    "Condition: image-limited; exterior appears intact in the staged photos, but interior, bottom, corners, odor, and functional hardware condition are unknown."
                ],
                "confidence": 0.78,
                "recommended_max_bid": 10,
                "estimated_resale_low": 5,
                "estimated_resale_high": 30
            }
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "result": {
                "authenticity_concerns": [],
                "authenticity_confidence": 0.03,
                "coach_probability": 0.02,
                "confidence": 0.7,
                "estimated_era": "modern (2000s+), non-Coach",
                "estimated_resale_high": 25,
                "estimated_resale_low": 5,
                "image_quality_score": 0.45,
                "is_handbag_probability": 0.99,
                "missing_information": [
                    "no interior \/ lining view shown in any photo - creed patch cannot be checked",
                    "no creed close-up or Made-in line visible",
                    "no bottom, side, back detail or scale\/dimensions",
                    "no hardware close-up showing zipper brand or engravings",
                    "no hangtag or wordmark detail shown"
                ],
                "negative_evidence": [
                    "photo 1,2,3: zip-top bowler\/baguette silhouette with thin rolled double handles on small O-rings - no catalog Coach classic shape, no turnlock flap",
                    "photo 1,2,3: high-gloss crinkled coated finish unlike matte glove-tanned cowhide with natural grain",
                    "photo 1,2,3: no creed patch, no COACH wordmark, no horse-and-carriage, no leather hangtag visible",
                    "photo 1,2,3: staged lifestyle stock-type images with no interior, bottom or detail views, consistent with new fast-fashion listing"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "gold\/silver-tone top zipper with small pull and small O-ring handle attachments; no turnlock; no engravings legible",
                    "leather_description": "red high-gloss crinkled coated material, appears synthetic\/PU, not matte glove-tanned full-grain leather",
                    "lining_description": "not_visible",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "minimal edge stitching visible on small handle tabs; overall stitching detail not_visible in lifestyle distance",
                    "strap_construction": "double fixed rolled top\/shoulder handles attached via O-rings and small tabs, not detachable or buckle-adjustable",
                    "turnlock_present": false
                },
                "positive_evidence": [],
                "possible_model_reasoning": [
                    "no Coach identifier visible in photos 1-3 to decode era or style; silhouette, zip closure, thin handles and glossy finish do not match any 1970s-1990s glove-tanned classic (City, Willis, Court, Station, Duffle, Dinky etc.)",
                    "Condition: appears New\/unused in staged photos but cannot grade without interior\/bottom\/close-ups; treat as new generic bag"
                ],
                "possible_models": [],
                "recommended_max_bid": 10,
                "seller_misidentification_probability": 0.02,
                "vintage_probability": 0.03
            }
        }
    ],
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
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            "output_tokens": 809,
            "total_tokens": 19591,
            "estimated_cost_usd": 0.009454
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
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}