Vintage Coach Hunter

{
    "is_handbag_probability": 0.985,
    "coach_probability": 0.03,
    "vintage_probability": 0.025,
    "authenticity_confidence": 0.025,
    "image_quality_score": 0.635,
    "seller_misidentification_probability": 0.05,
    "confidence": 0.74,
    "recommended_max_bid": 9,
    "estimated_resale_low": 5,
    "estimated_resale_high": 25,
    "possible_models": [],
    "positive_evidence": [
        "photo 1: Large leather-looking shoulder tote silhouette is consistent with a handbag, but not specifically with a recognizable Coach model.",
        "photo 1: Burgundy color and long shoulder straps are compatible with many contemporary unbranded totes."
    ],
    "negative_evidence": [
        "photo 1: No visible Coach wordmark, horse-and-carriage, creed patch, serial\/style number, or hangtag.",
        "photo 1: Smooth glossy material and thin matching straps do not visibly suggest the thick glove-tanned leather and structured brass hardware typical of many vintage Coach classics.",
        "photo 2: Exterior view shows no Coach branding or distinctive Coach hardware.",
        "photo 1: no turnlock, no brass hardware, no hangtag, no COACH wordmark visible",
        "photo 1, photo 2: large soft open-top tote with thin fixed shoulder straps, silhouette does not match vintage Coach catalog styles",
        "photo 1, photo 2: smooth high-sheen uniform finish unlike matte glove-tanned cowhide with natural grain",
        "photo 1, photo 2: no creed patch, no interior, no zipper or hardware stamps visible to support Coach manufacture"
    ],
    "missing_information": [
        "Interior view, including the back wall, pockets, lining, and any creed patch.",
        "Close-up photos of all labels, seams, zipper pulls, snaps, and hardware.",
        "Bottom, side, and strap-attachment views.",
        "Seller-stated material composition and dimensions; the photos alone do not establish whether the material is genuine leather.",
        "photo of interior emptied and lining material",
        "creed patch straight-on in raking light and any fabric tags in seams",
        "photo of bottom, corners, sides and back",
        "close-up of strap attachments and stitching",
        "hardware detail if any and seller-stated dimensions\/material"
    ],
    "authenticity_concerns": [
        "photo 1: The bag has a generic contemporary tote design with no Coach identifiers; it is more consistent with an unbranded modern bag than a vintage Coach model.",
        "photo 1: The glossy finish and unstructured construction do not provide a reliable Coach-specific construction match."
    ],
    "possible_model_reasoning": [
        "No Coach model is proposed because the bag lacks a visible Coach identifier and does not closely match a documented vintage Coach silhouette or closure system.",
        "Condition: Not fully gradable; exterior appears unused or lightly used in the supplied promotional-style photos, but the interior, bottom, corners, and strap folds are not shown.",
        "No Coach identifier visible in either photo - no creed, wordmark, hangtag, brass turnlock or Talon\/YKK zipper to decode era or style",
        "Silhouette is generic modern open tote, not a catalog Classic shape such as City Bag, Willis, Court, Station, Duffle Sac or Dinky; no flap, no turnlock, no exterior slip pocket",
        "Construction read is modern non-Coach: thin straps, slouchy coated finish, no solid brass, no unlined suede back shown",
        "Condition: appears new\/stock-photo clean in photos 1-2, but cannot grade - bottom, corners, interior and strap folds not shown"
    ],
    "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 turnlock, buckle, zipper or metal hardware visible in either photo",
        "leather_description": "Smooth, glossy burgundy material is visible; genuine leather cannot be confirmed from the photos.",
        "lining_description": "not_visible",
        "strap_construction": "Two long, narrow matching shoulder straps appear attached at the upper side seams; close construction details are not visible.",
        "stitching_description": "Straight perimeter stitching is visible along the upper edge and side seams, but close stitch quality is not assessable."
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.0017,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.98,
                "coach_probability": 0.04,
                "vintage_probability": 0.02,
                "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: Large leather-looking shoulder tote silhouette is consistent with a handbag, but not specifically with a recognizable Coach model.",
                    "photo 1: Burgundy color and long shoulder straps are compatible with many contemporary unbranded totes."
                ],
                "negative_evidence": [
                    "photo 1: No visible Coach wordmark, horse-and-carriage, creed patch, serial\/style number, or hangtag.",
                    "photo 1: Smooth glossy material and thin matching straps do not visibly suggest the thick glove-tanned leather and structured brass hardware typical of many vintage Coach classics.",
                    "photo 2: Exterior view shows no Coach branding or distinctive Coach hardware."
                ],
                "missing_information": [
                    "Interior view, including the back wall, pockets, lining, and any creed patch.",
                    "Close-up photos of all labels, seams, zipper pulls, snaps, and hardware.",
                    "Bottom, side, and strap-attachment views.",
                    "Seller-stated material composition and dimensions; the photos alone do not establish whether the material is genuine leather."
                ],
                "authenticity_concerns": [
                    "photo 1: The bag has a generic contemporary tote design with no Coach identifiers; it is more consistent with an unbranded modern bag than a vintage Coach model.",
                    "photo 1: The glossy finish and unstructured construction do not provide a reliable Coach-specific construction match."
                ],
                "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": "Smooth, glossy burgundy material is visible; genuine leather cannot be confirmed from the photos.",
                    "lining_description": "not_visible",
                    "strap_construction": "Two long, narrow matching shoulder straps appear attached at the upper side seams; close construction details are not visible.",
                    "stitching_description": "Straight perimeter stitching is visible along the upper edge and side seams, but close stitch quality is not assessable."
                },
                "possible_model_reasoning": [
                    "No Coach model is proposed because the bag lacks a visible Coach identifier and does not closely match a documented vintage Coach silhouette or closure system.",
                    "Condition: Not fully gradable; exterior appears unused or lightly used in the supplied promotional-style photos, but the interior, bottom, corners, and strap folds are not shown."
                ],
                "confidence": 0.68,
                "recommended_max_bid": 8,
                "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": 20,
                "estimated_resale_low": 5,
                "image_quality_score": 0.55,
                "is_handbag_probability": 0.99,
                "missing_information": [
                    "photo of interior emptied and lining material",
                    "creed patch straight-on in raking light and any fabric tags in seams",
                    "photo of bottom, corners, sides and back",
                    "close-up of strap attachments and stitching",
                    "hardware detail if any and seller-stated dimensions\/material"
                ],
                "negative_evidence": [
                    "photo 1: no turnlock, no brass hardware, no hangtag, no COACH wordmark visible",
                    "photo 1, photo 2: large soft open-top tote with thin fixed shoulder straps, silhouette does not match vintage Coach catalog styles",
                    "photo 1, photo 2: smooth high-sheen uniform finish unlike matte glove-tanned cowhide with natural grain",
                    "photo 1, photo 2: no creed patch, no interior, no zipper or hardware stamps visible to support Coach manufacture"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "not_visible - no turnlock, buckle, zipper or metal hardware visible in either photo",
                    "leather_description": "burgundy smooth high-sheen leather-look material, soft slouchy drape, uniform surface without glove-tanned grain or patina; suggests modern coated\/faux material",
                    "lining_description": "not_visible",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "thin top-edge stitching visible along opening in photo 1; no detailed stitching, edge paint or stress-point stitching visible",
                    "strap_construction": "two thin fixed-length shoulder straps sewn into side seams, no buckle adjustment, no dogleash clips or dowel visible",
                    "turnlock_present": false
                },
                "positive_evidence": [],
                "possible_model_reasoning": [
                    "No Coach identifier visible in either photo - no creed, wordmark, hangtag, brass turnlock or Talon\/YKK zipper to decode era or style",
                    "Silhouette is generic modern open tote, not a catalog Classic shape such as City Bag, Willis, Court, Station, Duffle Sac or Dinky; no flap, no turnlock, no exterior slip pocket",
                    "Construction read is modern non-Coach: thin straps, slouchy coated finish, no solid brass, no unlined suede back shown",
                    "Condition: appears new\/stock-photo clean in photos 1-2, but cannot grade - bottom, corners, interior and strap folds not shown"
                ],
                "possible_models": [],
                "recommended_max_bid": 10,
                "seller_misidentification_probability": 0.02,
                "vintage_probability": 0.03
            }
        }
    ],
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 17867,
            "output_tokens": 694,
            "total_tokens": 18561,
            "estimated_cost_usd": 0.008812
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 18419,
            "output_tokens": 1259,
            "total_tokens": 19678,
            "estimated_cost_usd": 0.004691
        }
    ]
}