Vintage Coach Hunter

{
    "is_handbag_probability": 0.985,
    "coach_probability": 0.02,
    "vintage_probability": 0.03,
    "authenticity_confidence": 0.025,
    "image_quality_score": 0.78,
    "seller_misidentification_probability": 0.03,
    "confidence": 0.9,
    "recommended_max_bid": 15,
    "estimated_resale_low": 20,
    "estimated_resale_high": 55,
    "possible_models": [],
    "positive_evidence": [
        "photo 1: Clearly a tote-style handbag with two shoulder straps and a top zipper.",
        "photo 1: The seller's hair-on cowhide description is consistent with the visible spotted hair-on-hide exterior."
    ],
    "negative_evidence": [
        "photo 1: Hair-on cowhide is not characteristic of the classic vintage Coach glove-tanned leather lines.",
        "photo 1: No Coach wordmark, horse-and-carriage, creed patch, or hangtag is visible.",
        "photo 2: The back has decorative leather cross-lacing rather than a recognizable Coach construction detail.",
        "photo 1: The visible zipper hardware and contemporary western styling do not match a documented vintage Coach model.",
        "photo 3: The side construction and hair-on-hide panels appear handmade\/custom rather than Coach production.",
        "photo 1: hair-on-hide western tote with all-over cow pattern is not a Coach catalog silhouette",
        "photo 2: decorative leather X-lacing down center front is not a Coach classic detail",
        "photo 1, photo 2, photo 3: no turnlock, no brass hardware, no hangtag, no COACH wordmark or horse-and-carriage visible",
        "photo 1: exterior back zip pocket with silver-tone zipper, inconsistent with vintage Coach solid-brass unlined construction",
        "photo 1, photo 2, photo 3: zip-top tote with thin double shoulder straps, no dogleash clips, no dowel handle, no catalog match"
    ],
    "missing_information": [
        "Interior view, including any label or creed patch.",
        "Close-up of the zipper pull and any interior or exterior branding.",
        "Bottom, corners, strap attachment points, and stitching close-ups.",
        "Seller-stated dimensions and a photo of the bag emptied.",
        "photo 4+: interior views emptied showing lining and any patches or labels",
        "photo 5+: creed patch straight-on if present, and Made-in line",
        "photo 6+: zipper pull brand stamp and hardware close-ups"
    ],
    "authenticity_concerns": [
        "The visible materials and design strongly indicate a generic handmade or western-style bag, not a Coach handbag.",
        "No Coach identifier is visible in the provided photos; the absence of an identifier is not conclusive because the interior is not shown."
    ],
    "possible_model_reasoning": [
        "The silhouette is a rectangular zip-top tote, but it does not correspond to a recognizable vintage Coach catalog model.",
        "photo 1 and photo 2: Hair-on-hide panels, western decorative lacing, and contemporary tote construction support a handmade non-Coach identification.",
        "Condition appears Very Good from the exterior photos: no obvious major tears or severe wear are visible, but the interior, odor, lining, and bottom are unknown.",
        "No Coach identifier visible in any photo; material (hair-on-hide), western lacing, zip-top tote silhouette and silver-tone zippers do not match any vintage Coach classic line",
        "Seller correctly lists as Unbranded handmade western purse, consistent with photos",
        "Condition: appears New\/Like New; clean hair, no corner wear visible photo 1-3, but interior not shown so grade capped"
    ],
    "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: Top zipper with metallic zipper pull; no turnlock or Coach-engraved hardware is visible. photo 2: No obvious metal branding is visible.",
        "leather_description": "photo 1: Hair-on cowhide exterior in brown, white, and darker natural markings, with smooth dark brown leather straps and trim.",
        "lining_description": "not_visible",
        "strap_construction": "photo 1: Two long, dark brown shoulder straps attached at the upper edges; attachment details are only partly visible.",
        "stitching_description": "photo 1: Straight machine stitching is visible along the straps and upper trim; detailed stress-point stitching is not shown."
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.0009,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.98,
                "coach_probability": 0.02,
                "vintage_probability": 0.03,
                "authenticity_confidence": 0.03,
                "image_quality_score": 0.86,
                "seller_misidentification_probability": 0.04,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [
                    "photo 1: Clearly a tote-style handbag with two shoulder straps and a top zipper.",
                    "photo 1: The seller's hair-on cowhide description is consistent with the visible spotted hair-on-hide exterior."
                ],
                "negative_evidence": [
                    "photo 1: Hair-on cowhide is not characteristic of the classic vintage Coach glove-tanned leather lines.",
                    "photo 1: No Coach wordmark, horse-and-carriage, creed patch, or hangtag is visible.",
                    "photo 2: The back has decorative leather cross-lacing rather than a recognizable Coach construction detail.",
                    "photo 1: The visible zipper hardware and contemporary western styling do not match a documented vintage Coach model.",
                    "photo 3: The side construction and hair-on-hide panels appear handmade\/custom rather than Coach production."
                ],
                "missing_information": [
                    "Interior view, including any label or creed patch.",
                    "Close-up of the zipper pull and any interior or exterior branding.",
                    "Bottom, corners, strap attachment points, and stitching close-ups.",
                    "Seller-stated dimensions and a photo of the bag emptied."
                ],
                "authenticity_concerns": [
                    "The visible materials and design strongly indicate a generic handmade or western-style bag, not a Coach handbag.",
                    "No Coach identifier is visible in the provided photos; the absence of an identifier is not conclusive because the interior is not shown."
                ],
                "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: Top zipper with metallic zipper pull; no turnlock or Coach-engraved hardware is visible. photo 2: No obvious metal branding is visible.",
                    "leather_description": "photo 1: Hair-on cowhide exterior in brown, white, and darker natural markings, with smooth dark brown leather straps and trim.",
                    "lining_description": "not_visible",
                    "strap_construction": "photo 1: Two long, dark brown shoulder straps attached at the upper edges; attachment details are only partly visible.",
                    "stitching_description": "photo 1: Straight machine stitching is visible along the straps and upper trim; detailed stress-point stitching is not shown."
                },
                "possible_model_reasoning": [
                    "The silhouette is a rectangular zip-top tote, but it does not correspond to a recognizable vintage Coach catalog model.",
                    "photo 1 and photo 2: Hair-on-hide panels, western decorative lacing, and contemporary tote construction support a handmade non-Coach identification.",
                    "Condition appears Very Good from the exterior photos: no obvious major tears or severe wear are visible, but the interior, odor, lining, and bottom are unknown."
                ],
                "confidence": 0.9,
                "recommended_max_bid": 15,
                "estimated_resale_low": 20,
                "estimated_resale_high": 60
            }
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "result": {
                "authenticity_concerns": [],
                "authenticity_confidence": 0.02,
                "coach_probability": 0.02,
                "confidence": 0.9,
                "estimated_era": "modern (2000s+), non-Coach",
                "estimated_resale_high": 50,
                "estimated_resale_low": 20,
                "image_quality_score": 0.7,
                "is_handbag_probability": 0.99,
                "missing_information": [
                    "photo 4+: interior views emptied showing lining and any patches or labels",
                    "photo 5+: creed patch straight-on if present, and Made-in line",
                    "photo 6+: zipper pull brand stamp and hardware close-ups"
                ],
                "negative_evidence": [
                    "photo 1: hair-on-hide western tote with all-over cow pattern is not a Coach catalog silhouette",
                    "photo 2: decorative leather X-lacing down center front is not a Coach classic detail",
                    "photo 1, photo 2, photo 3: no turnlock, no brass hardware, no hangtag, no COACH wordmark or horse-and-carriage visible",
                    "photo 1: exterior back zip pocket with silver-tone zipper, inconsistent with vintage Coach solid-brass unlined construction",
                    "photo 1, photo 2, photo 3: zip-top tote with thin double shoulder straps, no dogleash clips, no dowel handle, no catalog match"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "silver-tone zippers visible photo 1 back pocket and photo 2 top closure; no brass turnlock, no buckles, no stamped pulls visible",
                    "leather_description": "photo 1-3: hair-on cowhide with brown\/white pattern, brown smooth leather shoulder straps; not glove-tanned cowhide",
                    "lining_description": "not_visible",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "not_visible; edge seams mostly hidden by hair, strap edge stitching faintly visible photo 3 but not assessable",
                    "strap_construction": "photo 2, photo 3: two fixed narrow brown leather shoulder straps, sewn to top edge, no buckle adjustment or detachable clips visible",
                    "turnlock_present": false
                },
                "positive_evidence": [],
                "possible_model_reasoning": [
                    "No Coach identifier visible in any photo; material (hair-on-hide), western lacing, zip-top tote silhouette and silver-tone zippers do not match any vintage Coach classic line",
                    "Seller correctly lists as Unbranded handmade western purse, consistent with photos",
                    "Condition: appears New\/Like New; clean hair, no corner wear visible photo 1-3, but interior not shown so grade capped"
                ],
                "possible_models": [],
                "recommended_max_bid": 15,
                "seller_misidentification_probability": 0.02,
                "vintage_probability": 0.03
            }
        }
    ],
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 20810,
            "output_tokens": 743,
            "total_tokens": 21553,
            "estimated_cost_usd": 0.010107
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 21458,
            "output_tokens": 1186,
            "total_tokens": 22644,
            "estimated_cost_usd": 0.00524
        }
    ]
}