Vintage Coach Hunter

{
    "is_handbag_probability": 0.99,
    "coach_probability": 0.02,
    "vintage_probability": 0.04,
    "authenticity_confidence": 0.02,
    "image_quality_score": 0.815,
    "seller_misidentification_probability": 0.1,
    "confidence": 0.895,
    "recommended_max_bid": 8,
    "estimated_resale_low": 7.5,
    "estimated_resale_high": 27.5,
    "possible_models": [],
    "positive_evidence": [],
    "negative_evidence": [
        "photo 1: the bag is a small crossbody handbag, but its saddle shape alone is not a Coach identifier.",
        "photo 1: the front uses a prominent faux-fur or hair-on-fabric panel and red leather-like trim, unlike the classic glove-tanned leather construction associated with vintage Coach.",
        "photo 2: the interior appears to have a dark synthetic textile lining and simple snap closures, with no visible Coach creed patch or fabric tag.",
        "photo 3: the reverse is plain and shows no Coach wordmark, carriage, hangtag, or other brand identifier.",
        "photo 4: the opening and interior show no visible creed patch, serial\/style number, or Coach label.",
        "photo 5: the strap appears thin and leather-like with basic attachment hardware, not a distinctive vintage Coach strap construction.",
        "photo 6: the strap and seams show generic construction and no brand markings.",
        "photo 1,3,5: shiny smooth reddish-brown faux-appearing leather, not glove-tanned cowhide",
        "photo 2,4: dark woven fabric lining, not unlined suede",
        "photo 2: simple magnetic snap closure, no brass turnlock",
        "photo 1-5: no creed patch, no COACH wordmark, no hangtag, no solid brass hardware visible",
        "photo 1: hair-on\/faux-fur flap panel with round saddle silhouette matching no Coach catalog style"
    ],
    "missing_information": [
        "A straight-on close-up of every interior wall and pocket, including any concealed labels or patches.",
        "Close-ups of all hardware, strap attachments, and any zipper or snap markings.",
        "A bottom and side view to fully assess construction and materials.",
        "Seller-stated material composition; the listing title calls it faux fur and leather but this is not independently verified from the photos.",
        "No Coach creed or identifier visible in any view - no further Coach-specific photos warranted given materials and construction"
    ],
    "authenticity_concerns": [
        "No Coach identifier is visible in any provided photo.",
        "The faux-fur\/hair-on-fabric front, synthetic-looking lining, generic snap closure, and plain exterior are inconsistent with the usual construction of the vintage Coach classic models.",
        "The bag resembles a generic or fashion-accessory saddle crossbody rather than a Coach model; no specific replica feature can be established without a Coach identifier.",
        "photo 1-5: faux\/synthetic-appearing materials inconsistent with vintage Coach glove-tanned leather",
        "photo 2: fabric lining and magnetic snap closure inconsistent with 1970s-1990s Coach classics"
    ],
    "possible_model_reasoning": [
        "The approximately 8-inch-wide, rounded saddle silhouette is not sufficiently distinctive to match a Coach catalog model, and no Coach identifier is visible.",
        "The visible faux-fur-like panel, textile lining, and generic snap closure point away from classic vintage Coach glove-tanned leather styles.",
        "Condition: Good; visible creasing, surface wear, and possible strap separation or edge damage in photo 6; interior condition is only partially shown.",
        "Round saddle crossbody with fur flap does not match any 1970s-2000s Coach catalog style (City Bag, Dinky, Court, Willis, Station, etc.)",
        "Materials and construction - faux leather, fabric lining, magnetic snap - point to modern non-Coach fast-fashion, not Coach",
        "Condition: Very Good appearing; surface intact, strap intact, lining clean in photos, but synthetic materials cap value"
    ],
    "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 2: small round snap closures are visible; no Coach engraving or distinctive vintage brass turnlock is visible.",
        "leather_description": "photo 1: red exterior appears leather-like or coated\/synthetic; the flap has a hair-on\/faux-fur panel. Exact material is not confirmed from photos.",
        "lining_description": "photo 2 and photo 4: dark textile-looking lining is visible; no label or creed is visible.",
        "strap_construction": "photo 1, photo 3, and photo 6: long narrow red strap with stitched edges and basic attachment hardware; visible wear\/creasing and a loose-looking fold or separation near the upper strap in photo 6.",
        "stitching_description": "photos 1, 3, and 6: visible perimeter stitching is generally even but appears generic; some edge wear and creasing are visible."
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.0016,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.99,
                "coach_probability": 0.02,
                "vintage_probability": 0.03,
                "authenticity_confidence": 0.02,
                "image_quality_score": 0.88,
                "seller_misidentification_probability": 0.18,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [],
                "negative_evidence": [
                    "photo 1: the bag is a small crossbody handbag, but its saddle shape alone is not a Coach identifier.",
                    "photo 1: the front uses a prominent faux-fur or hair-on-fabric panel and red leather-like trim, unlike the classic glove-tanned leather construction associated with vintage Coach.",
                    "photo 2: the interior appears to have a dark synthetic textile lining and simple snap closures, with no visible Coach creed patch or fabric tag.",
                    "photo 3: the reverse is plain and shows no Coach wordmark, carriage, hangtag, or other brand identifier.",
                    "photo 4: the opening and interior show no visible creed patch, serial\/style number, or Coach label.",
                    "photo 5: the strap appears thin and leather-like with basic attachment hardware, not a distinctive vintage Coach strap construction.",
                    "photo 6: the strap and seams show generic construction and no brand markings."
                ],
                "missing_information": [
                    "A straight-on close-up of every interior wall and pocket, including any concealed labels or patches.",
                    "Close-ups of all hardware, strap attachments, and any zipper or snap markings.",
                    "A bottom and side view to fully assess construction and materials.",
                    "Seller-stated material composition; the listing title calls it faux fur and leather but this is not independently verified from the photos."
                ],
                "authenticity_concerns": [
                    "No Coach identifier is visible in any provided photo.",
                    "The faux-fur\/hair-on-fabric front, synthetic-looking lining, generic snap closure, and plain exterior are inconsistent with the usual construction of the vintage Coach classic models.",
                    "The bag resembles a generic or fashion-accessory saddle crossbody rather than a Coach model; no specific replica feature can be established without a Coach identifier."
                ],
                "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 2: small round snap closures are visible; no Coach engraving or distinctive vintage brass turnlock is visible.",
                    "leather_description": "photo 1: red exterior appears leather-like or coated\/synthetic; the flap has a hair-on\/faux-fur panel. Exact material is not confirmed from photos.",
                    "lining_description": "photo 2 and photo 4: dark textile-looking lining is visible; no label or creed is visible.",
                    "strap_construction": "photo 1, photo 3, and photo 6: long narrow red strap with stitched edges and basic attachment hardware; visible wear\/creasing and a loose-looking fold or separation near the upper strap in photo 6.",
                    "stitching_description": "photos 1, 3, and 6: visible perimeter stitching is generally even but appears generic; some edge wear and creasing are visible."
                },
                "possible_model_reasoning": [
                    "The approximately 8-inch-wide, rounded saddle silhouette is not sufficiently distinctive to match a Coach catalog model, and no Coach identifier is visible.",
                    "The visible faux-fur-like panel, textile lining, and generic snap closure point away from classic vintage Coach glove-tanned leather styles.",
                    "Condition: Good; visible creasing, surface wear, and possible strap separation or edge damage in photo 6; interior condition is only partially shown."
                ],
                "confidence": 0.91,
                "recommended_max_bid": 8,
                "estimated_resale_low": 5,
                "estimated_resale_high": 30
            }
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "result": {
                "authenticity_concerns": [
                    "photo 1-5: faux\/synthetic-appearing materials inconsistent with vintage Coach glove-tanned leather",
                    "photo 2: fabric lining and magnetic snap closure inconsistent with 1970s-1990s Coach classics"
                ],
                "authenticity_confidence": 0.02,
                "coach_probability": 0.02,
                "confidence": 0.88,
                "estimated_era": "modern (2000s+), non-Coach",
                "estimated_resale_high": 25,
                "estimated_resale_low": 10,
                "image_quality_score": 0.75,
                "is_handbag_probability": 0.99,
                "missing_information": [
                    "No Coach creed or identifier visible in any view - no further Coach-specific photos warranted given materials and construction"
                ],
                "negative_evidence": [
                    "photo 1,3,5: shiny smooth reddish-brown faux-appearing leather, not glove-tanned cowhide",
                    "photo 2,4: dark woven fabric lining, not unlined suede",
                    "photo 2: simple magnetic snap closure, no brass turnlock",
                    "photo 1-5: no creed patch, no COACH wordmark, no hangtag, no solid brass hardware visible",
                    "photo 1: hair-on\/faux-fur flap panel with round saddle silhouette matching no Coach catalog style"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "gold-tone magnetic snap closure visible photo 2; thin buckle slider on strap photo 1,5; no solid brass turnlock, D-rings or dogleash clips",
                    "leather_description": "reddish-brown smooth high-sheen faux-appearing leather body and strap with fur\/hair-on flap panel in brown\/tan\/white photo 1; not matte glove-tanned full-grain",
                    "lining_description": "dark gray\/black woven fabric lining on flap underside and interior photo 2,4",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "thin edge stitching tone-matched around body perimeter photo 2,3; no heavy even Coach classic stitching observed",
                    "strap_construction": "thin flat adjustable crossbody strap in same faux leather, sewn fixed to body sides photo 1,3,5",
                    "turnlock_present": false
                },
                "positive_evidence": [],
                "possible_model_reasoning": [
                    "Round saddle crossbody with fur flap does not match any 1970s-2000s Coach catalog style (City Bag, Dinky, Court, Willis, Station, etc.)",
                    "Materials and construction - faux leather, fabric lining, magnetic snap - point to modern non-Coach fast-fashion, not Coach",
                    "Condition: Very Good appearing; surface intact, strap intact, lining clean in photos, but synthetic materials cap value"
                ],
                "possible_models": [],
                "recommended_max_bid": 8,
                "seller_misidentification_probability": 0.02,
                "vintage_probability": 0.05
            }
        }
    ],
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 23156,
            "output_tokens": 865,
            "total_tokens": 24021,
            "estimated_cost_usd": 0.011338
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 24023,
            "output_tokens": 1254,
            "total_tokens": 25277,
            "estimated_cost_usd": 0.005808
        }
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}