Vintage Coach Hunter

{
    "is_handbag_probability": 0.985,
    "coach_probability": 0.02,
    "vintage_probability": 0.165,
    "authenticity_confidence": 0.02,
    "image_quality_score": 0.765,
    "seller_misidentification_probability": 0.49,
    "confidence": 0.855,
    "recommended_max_bid": 8,
    "estimated_resale_low": 5,
    "estimated_resale_high": 22.5,
    "possible_models": [],
    "positive_evidence": [
        "photo 1: Clearly a handbag with a top handle and detachable-looking shoulder strap.",
        "photo 6: Approximately 10 inches wide based on the tape measure."
    ],
    "negative_evidence": [
        "photo 1: Seller describes the material as faux leather; the smooth, glossy synthetic-looking surface is inconsistent with vintage Coach glove-tanned leather.",
        "photo 2: The large U-shaped decorative handle fitting is not a Coach turnlock and is unusually bright\/plated for a vintage Coach classic.",
        "photo 3: No visible Coach wordmark, horse-and-carriage, creed patch, or hangtag.",
        "photo 4: Hardware shows bright plated gold tone, substantial scratching, and apparent finish loss rather than the typical solid-brass vintage Coach construction.",
        "photo 5: Surface has a visible dark mark\/scuff and synthetic-looking sheen.",
        "photo 1: Construction and decorative hardware resemble an unbranded fashion handbag rather than a catalogued Coach silhouette.",
        "photo 1, photo 3: gray shiny faux-leather with plastic-like sheen and wrinkling, seller lists as faux leather",
        "photo 1-4: no creed patch, no COACH wordmark, no horse-and-carriage, no leather hangtag visible",
        "photo 2, photo 4: large U-shaped plated metal frame top handles with plating loss\/tarnish, not Coach turnlock or Cashin hardware geometry",
        "photo 1-4: silhouette with metal frame handles and thin detachable shoulder strap matches no catalog Coach style"
    ],
    "missing_information": [
        "photo 1-6: Interior is not shown; request emptied interior, lining, pockets, and any sewn-in labels.",
        "photo 1-6: No close-up of an interior creed or serial\/style tag is provided; request a straight-on, well-lit photo of all interior walls and pocket seams.",
        "photo 1-6: Bottom, corners, zipper\/closure, and strap attachment details are incomplete.",
        "photo 1-6: Seller's claimed 1970s date is unsupported; request provenance or an original label if available.",
        "interior views including lining and any interior labels or creed patch not shown",
        "back, side, and bottom views not shown",
        "hardware brand stamps and close-up of strap clips not shown"
    ],
    "authenticity_concerns": [
        "photo 1: Faux-leather construction and modern-looking decorative hardware are inconsistent with a vintage Coach leather handbag.",
        "photo 2: The oversized U-shaped metal fitting is a lookalike\/design feature, not the classic Coach turnlock geometry.",
        "photo 3: Absence of any visible Coach identifier materially lowers the likelihood of Coach manufacture.",
        "photo 2, photo 4: gold-tone plating wear\/flaking on frame handles inconsistent with solid brass vintage Coach hardware",
        "photo 1-3: shiny faux-leather material inconsistent with glove-tanned cowhide; Coach never used faux\/PU leather for this style"
    ],
    "possible_model_reasoning": [
        "The top-handle satchel format is not sufficient to match a Coach model, and the decorative U-shaped fitting does not correspond to the listed vintage Coach turnlock styles.",
        "Seller's 'Vintage 70s' description is unverified and conflicts with the faux-leather appearance and bright plated decorative hardware.",
        "Condition: Good; visible creasing, surface scuffing, and hardware wear are present, while the interior and bottom are not shown.",
        "No Coach model fits: frame-handle satchel with faux leather and plated hardware is inconsistent with all classic glove-tanned Coach catalog styles",
        "No serial to decode, no creed era to assign",
        "Condition: Good; photo 5 shows surface mark\/scratch circled, photos 2 and 4 show plating wear on handles, faux leather wrinkled but intact"
    ],
    "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": "Bright gold-tone U-shaped decorative handle fitting with elongated openings; small gold-tone rings and rivet-like hardware visible. No Coach engraving visible.",
        "leather_description": "Seller states faux leather; photos show smooth, glossy, relatively thin-looking gray synthetic material with creasing and surface scuffing.",
        "lining_description": "not_visible",
        "strap_construction": "Long matching gray shoulder strap with visible edge stitching and small metal attachment hardware; full construction and condition are only partly shown.",
        "stitching_description": "Visible machine stitching is generally even but utilitarian, with multiple decorative seams and synthetic-looking folded edges."
    },
    "ensemble_agreement": "MEDIUM",
    "ensemble_variance": 0.0361,
    "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": 0.02,
                "image_quality_score": 0.88,
                "seller_misidentification_probability": 0.96,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [
                    "photo 1: Clearly a handbag with a top handle and detachable-looking shoulder strap.",
                    "photo 6: Approximately 10 inches wide based on the tape measure."
                ],
                "negative_evidence": [
                    "photo 1: Seller describes the material as faux leather; the smooth, glossy synthetic-looking surface is inconsistent with vintage Coach glove-tanned leather.",
                    "photo 2: The large U-shaped decorative handle fitting is not a Coach turnlock and is unusually bright\/plated for a vintage Coach classic.",
                    "photo 3: No visible Coach wordmark, horse-and-carriage, creed patch, or hangtag.",
                    "photo 4: Hardware shows bright plated gold tone, substantial scratching, and apparent finish loss rather than the typical solid-brass vintage Coach construction.",
                    "photo 5: Surface has a visible dark mark\/scuff and synthetic-looking sheen.",
                    "photo 1: Construction and decorative hardware resemble an unbranded fashion handbag rather than a catalogued Coach silhouette."
                ],
                "missing_information": [
                    "photo 1-6: Interior is not shown; request emptied interior, lining, pockets, and any sewn-in labels.",
                    "photo 1-6: No close-up of an interior creed or serial\/style tag is provided; request a straight-on, well-lit photo of all interior walls and pocket seams.",
                    "photo 1-6: Bottom, corners, zipper\/closure, and strap attachment details are incomplete.",
                    "photo 1-6: Seller's claimed 1970s date is unsupported; request provenance or an original label if available."
                ],
                "authenticity_concerns": [
                    "photo 1: Faux-leather construction and modern-looking decorative hardware are inconsistent with a vintage Coach leather handbag.",
                    "photo 2: The oversized U-shaped metal fitting is a lookalike\/design feature, not the classic Coach turnlock geometry.",
                    "photo 3: Absence of any visible Coach identifier materially lowers the likelihood of Coach manufacture."
                ],
                "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": "Bright gold-tone U-shaped decorative handle fitting with elongated openings; small gold-tone rings and rivet-like hardware visible. No Coach engraving visible.",
                    "leather_description": "Seller states faux leather; photos show smooth, glossy, relatively thin-looking gray synthetic material with creasing and surface scuffing.",
                    "lining_description": "not_visible",
                    "strap_construction": "Long matching gray shoulder strap with visible edge stitching and small metal attachment hardware; full construction and condition are only partly shown.",
                    "stitching_description": "Visible machine stitching is generally even but utilitarian, with multiple decorative seams and synthetic-looking folded edges."
                },
                "possible_model_reasoning": [
                    "The top-handle satchel format is not sufficient to match a Coach model, and the decorative U-shaped fitting does not correspond to the listed vintage Coach turnlock styles.",
                    "Seller's 'Vintage 70s' description is unverified and conflicts with the faux-leather appearance and bright plated decorative hardware.",
                    "Condition: Good; visible creasing, surface scuffing, and hardware wear are present, while the interior and bottom are not shown."
                ],
                "confidence": 0.86,
                "recommended_max_bid": 8,
                "estimated_resale_low": 5,
                "estimated_resale_high": 25
            }
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "result": {
                "authenticity_concerns": [
                    "photo 2, photo 4: gold-tone plating wear\/flaking on frame handles inconsistent with solid brass vintage Coach hardware",
                    "photo 1-3: shiny faux-leather material inconsistent with glove-tanned cowhide; Coach never used faux\/PU leather for this style"
                ],
                "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": 0.65,
                "is_handbag_probability": 0.99,
                "missing_information": [
                    "interior views including lining and any interior labels or creed patch not shown",
                    "back, side, and bottom views not shown",
                    "hardware brand stamps and close-up of strap clips not shown"
                ],
                "negative_evidence": [
                    "photo 1, photo 3: gray shiny faux-leather with plastic-like sheen and wrinkling, seller lists as faux leather",
                    "photo 1-4: no creed patch, no COACH wordmark, no horse-and-carriage, no leather hangtag visible",
                    "photo 2, photo 4: large U-shaped plated metal frame top handles with plating loss\/tarnish, not Coach turnlock or Cashin hardware geometry",
                    "photo 1-4: silhouette with metal frame handles and thin detachable shoulder strap matches no catalog Coach style"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "gold-tone plated U-shaped frame handles with plating wear, scratches and dark tarnish spots; small gold-tone strap clips; not solid brass, not a turnlock",
                    "leather_description": "gray shiny smooth faux\/PU leather with plastic sheen and soft wrinkles, not glove-tanned cowhide",
                    "lining_description": "not_visible",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "dark matching machine stitching around top edge and handle yoke, visible but not diagnostic",
                    "strap_construction": "thin narrow gray faux-leather shoulder strap with snap\/clip ends plus short wrapped top handle between metal frames",
                    "turnlock_present": false
                },
                "positive_evidence": [],
                "possible_model_reasoning": [
                    "No Coach model fits: frame-handle satchel with faux leather and plated hardware is inconsistent with all classic glove-tanned Coach catalog styles",
                    "No serial to decode, no creed era to assign",
                    "Condition: Good; photo 5 shows surface mark\/scratch circled, photos 2 and 4 show plating wear on handles, faux leather wrinkled but intact"
                ],
                "possible_models": [],
                "recommended_max_bid": 8,
                "seller_misidentification_probability": 0.02,
                "vintage_probability": 0.3
            }
        }
    ],
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 28780,
            "output_tokens": 832,
            "total_tokens": 29612,
            "estimated_cost_usd": 0.013509
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 30093,
            "output_tokens": 1318,
            "total_tokens": 31411,
            "estimated_cost_usd": 0.007073
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}