Vintage Coach Hunter

{
    "is_handbag_probability": 0.98,
    "coach_probability": 0.055,
    "vintage_probability": 0.2,
    "authenticity_confidence": 0.055,
    "image_quality_score": 0.755,
    "seller_misidentification_probability": 0.055,
    "confidence": 0.805,
    "recommended_max_bid": 13.5,
    "estimated_resale_low": 12.5,
    "estimated_resale_high": 37.5,
    "possible_models": [],
    "positive_evidence": [
        "photo 1: substantial brown leather satchel with an adjustable shoulder strap and evenly sewn perimeter edges",
        "photo 2: exterior rear zip compartment and structured flap construction are consistent with a handbag",
        "photo 1: brown leather handbag with flap, the population where misidentified Coach hides"
    ],
    "negative_evidence": [
        "photo 1: closure uses silver-tone rectangular buckle hardware rather than a recognizable Coach turnlock",
        "photo 1: no visible COACH wordmark, horse-and-carriage, or leather hangtag",
        "photo 3: dark fabric lining and multiple zippered compartments do not resemble the unlined glove-tanned interiors of many classic vintage Coach styles",
        "photo 1: hardware and strap construction appear generic and provide no Coach-specific identifier",
        "listing text: seller labels the item Unbranded and supplies no Coach-related provenance",
        "photo 1: no turnlock - closure is two front buckle straps, not Coach turnlock geometry",
        "photo 3: fully lined with dark brown fabric lining, not unlined suede-back glove-tanned classic interior",
        "photo 1, photo 2: contrast light-tan stitching and X-box buckle-tab stitching, not tone-on-tone Coach construction",
        "photo 2: back exterior zip pocket under flap with leather pull, not a Coach classic layout",
        "photo 1, photo 2, photo 3: no creed patch, no COACH wordmark, no horse-and-carriage, no hangtag visible"
    ],
    "missing_information": [
        "photo 4: straight-on close-up of every interior wall and pocket for a possible creed patch or fabric tag",
        "photo 5: close-ups of zipper pulls, buckle backs, and any hardware stamps",
        "photo 6: full bottom, corners, and strap attachments",
        "photo 7: measurements and a photo of the bag empty and fully opened",
        "photo of any interior leather creed patch or fabric brand tag in raking light",
        "close-up of hardware stamps \/ zipper pull brand",
        "bottom \/ corners and strap buckle holes detail",
        "seller-stated dimensions for scale"
    ],
    "authenticity_concerns": [
        "photo 1: the generic silver-tone buckle hardware and lined satchel construction are inconsistent with a typical 1970s\u2013early-1990s Coach classic",
        "photo 3: no Coach creed or other brand identifier is visible despite a clear interior view"
    ],
    "possible_model_reasoning": [
        "The structured flap, buckle straps, rear zip pocket, and divided fabric-lined interior do not closely match the listed classic Coach silhouettes; no Coach model is proposed.",
        "Condition: Good; visible scratches and creasing on the leather, with edge wear and scuffing on the strap (photos 1-2). Interior appears intact in photo 3, but odor and hidden wear are unknown.",
        "No Coach silhouette match: buckle-strap satchel\/messenger with back zip pocket does not match City Bag (9790), Willis (9927), Court (9870), Station (5130) or other turnlock classics",
        "No hard identifiers: no creed, no serial, no wordmark, no hangtag, no brass turnlock in any of 3 photos",
        "Construction inconsistent with vintage Coach: fabric lining, silver-tone buckles, contrast stitching point to modern non-Coach satchel",
        "Condition: Very Good; surface scratches and strap wrinkling (photo 1, photo 2), interior appears clean (photo 3), bottom\/corners not shown so 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: silver-tone rectangular buckle-style closures and strap hardware; no visible branding",
        "leather_description": "photos 1-2: smooth brown leather or leather-like exterior with visible scratches and creasing; exact material cannot be confirmed",
        "lining_description": "photo 3: dark fabric lining with divided compartments and a zippered interior section",
        "strap_construction": "photos 1-2: adjustable leather shoulder strap with stitched attachments and buckle hardware",
        "stitching_description": "photos 1-3: visible light contrast stitching is generally even, though the close-up does not establish Coach construction"
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.004,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.98,
                "coach_probability": 0.08,
                "vintage_probability": 0.32,
                "authenticity_confidence": 0.08,
                "image_quality_score": 0.86,
                "seller_misidentification_probability": 0.08,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [
                    "photo 1: substantial brown leather satchel with an adjustable shoulder strap and evenly sewn perimeter edges",
                    "photo 2: exterior rear zip compartment and structured flap construction are consistent with a handbag"
                ],
                "negative_evidence": [
                    "photo 1: closure uses silver-tone rectangular buckle hardware rather than a recognizable Coach turnlock",
                    "photo 1: no visible COACH wordmark, horse-and-carriage, or leather hangtag",
                    "photo 3: dark fabric lining and multiple zippered compartments do not resemble the unlined glove-tanned interiors of many classic vintage Coach styles",
                    "photo 1: hardware and strap construction appear generic and provide no Coach-specific identifier",
                    "listing text: seller labels the item Unbranded and supplies no Coach-related provenance"
                ],
                "missing_information": [
                    "photo 4: straight-on close-up of every interior wall and pocket for a possible creed patch or fabric tag",
                    "photo 5: close-ups of zipper pulls, buckle backs, and any hardware stamps",
                    "photo 6: full bottom, corners, and strap attachments",
                    "photo 7: measurements and a photo of the bag empty and fully opened"
                ],
                "authenticity_concerns": [
                    "photo 1: the generic silver-tone buckle hardware and lined satchel construction are inconsistent with a typical 1970s\u2013early-1990s Coach classic",
                    "photo 3: no Coach creed or other brand identifier is visible despite a clear interior view"
                ],
                "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: silver-tone rectangular buckle-style closures and strap hardware; no visible branding",
                    "leather_description": "photos 1-2: smooth brown leather or leather-like exterior with visible scratches and creasing; exact material cannot be confirmed",
                    "lining_description": "photo 3: dark fabric lining with divided compartments and a zippered interior section",
                    "strap_construction": "photos 1-2: adjustable leather shoulder strap with stitched attachments and buckle hardware",
                    "stitching_description": "photos 1-3: visible light contrast stitching is generally even, though the close-up does not establish Coach construction"
                },
                "possible_model_reasoning": [
                    "The structured flap, buckle straps, rear zip pocket, and divided fabric-lined interior do not closely match the listed classic Coach silhouettes; no Coach model is proposed.",
                    "Condition: Good; visible scratches and creasing on the leather, with edge wear and scuffing on the strap (photos 1-2). Interior appears intact in photo 3, but odor and hidden wear are unknown."
                ],
                "confidence": 0.83,
                "recommended_max_bid": 15,
                "estimated_resale_low": 15,
                "estimated_resale_high": 45
            }
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "result": {
                "authenticity_concerns": [],
                "authenticity_confidence": 0.03,
                "coach_probability": 0.03,
                "confidence": 0.78,
                "estimated_era": "modern (2000s+), non-Coach",
                "estimated_resale_high": 30,
                "estimated_resale_low": 10,
                "image_quality_score": 0.65,
                "is_handbag_probability": 0.98,
                "missing_information": [
                    "photo of any interior leather creed patch or fabric brand tag in raking light",
                    "close-up of hardware stamps \/ zipper pull brand",
                    "bottom \/ corners and strap buckle holes detail",
                    "seller-stated dimensions for scale"
                ],
                "negative_evidence": [
                    "photo 1: no turnlock - closure is two front buckle straps, not Coach turnlock geometry",
                    "photo 3: fully lined with dark brown fabric lining, not unlined suede-back glove-tanned classic interior",
                    "photo 1, photo 2: contrast light-tan stitching and X-box buckle-tab stitching, not tone-on-tone Coach construction",
                    "photo 2: back exterior zip pocket under flap with leather pull, not a Coach classic layout",
                    "photo 1, photo 2, photo 3: no creed patch, no COACH wordmark, no horse-and-carriage, no hangtag visible"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "silver-tone buckle straps on front (photo 1); small zipper with leather pull on back pocket (photo 2); no solid brass turnlock, no dogleash clips, no stamped branding visible",
                    "leather_description": "medium-brown smooth leather satchel with surface scratches and wrinkling on strap (photo 1, photo 2); not glove-tanned full-grain patina with suede back",
                    "lining_description": "dark brown fabric lining with center zip pocket (photo 3); fully lined, not unlined suede",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "contrasting light-tan stitching around flap and tabs, X-box on buckle tabs (photo 1, photo 2)",
                    "strap_construction": "wide flat adjustable crossbody\/shoulder strap in same brown leather, edge-stitched (photo 1, photo 2)",
                    "turnlock_present": false
                },
                "positive_evidence": [
                    "photo 1: brown leather handbag with flap, the population where misidentified Coach hides"
                ],
                "possible_model_reasoning": [
                    "No Coach silhouette match: buckle-strap satchel\/messenger with back zip pocket does not match City Bag (9790), Willis (9927), Court (9870), Station (5130) or other turnlock classics",
                    "No hard identifiers: no creed, no serial, no wordmark, no hangtag, no brass turnlock in any of 3 photos",
                    "Construction inconsistent with vintage Coach: fabric lining, silver-tone buckles, contrast stitching point to modern non-Coach satchel",
                    "Condition: Very Good; surface scratches and strap wrinkling (photo 1, photo 2), interior appears clean (photo 3), bottom\/corners not shown so capped"
                ],
                "possible_models": [],
                "recommended_max_bid": 12,
                "seller_misidentification_probability": 0.03,
                "vintage_probability": 0.08
            }
        }
    ],
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 21928,
            "output_tokens": 778,
            "total_tokens": 22706,
            "estimated_cost_usd": 0.010638
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 22726,
            "output_tokens": 1290,
            "total_tokens": 24016,
            "estimated_cost_usd": 0.005577
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}