Vintage Coach Hunter

{
    "is_handbag_probability": 0.985,
    "coach_probability": 0.02,
    "vintage_probability": 0.02,
    "authenticity_confidence": 0.02,
    "image_quality_score": 0.715,
    "seller_misidentification_probability": 0.05,
    "confidence": 0.88,
    "recommended_max_bid": 8,
    "estimated_resale_low": 5,
    "estimated_resale_high": 22.5,
    "possible_models": [],
    "positive_evidence": [],
    "negative_evidence": [
        "photo 1: Bag is a soft textile\/nylon-like messenger design rather than vintage Coach glove-tanned leather.",
        "photo 1: No Coach wordmark, horse-and-carriage mark, creed patch, hangtag, or serial\/style number is visible.",
        "photo 1: Wide woven textile strap and multiple exposed zipper compartments are inconsistent with the classic vintage Coach leather handbag population.",
        "photo 1: The image appears to be a clean product-style photograph, with no interior or identifying details shown.",
        "photo 1: woven nylon \/ synthetic messenger body, not glove-tanned leather",
        "photo 1: wide woven fabric crossbody strap with rectangular slider, not Coach leather strap with brass hardware",
        "photo 1: exposed gold-tone zip compartments with modern rectangular pull tabs, no turnlock, no solid-brass vintage hardware",
        "photo 1: no creed patch, no COACH wordmark, no horse-and-carriage, no leather hangtag visible"
    ],
    "missing_information": [
        "photo 1: Interior, lining, labels, and any sewn-in brand or care tags are not shown.",
        "No close-up of any zipper pulls, hardware stamps, or label is provided.",
        "Bottom, side, back, and strap-attachment construction views are not provided.",
        "interior views including any creed patch or fabric tags not shown",
        "back \/ side \/ bottom views not shown",
        "hardware engravings \/ zipper brand not legible",
        "seller dimensions and materials not stated"
    ],
    "authenticity_concerns": [
        "photo 1: The textile construction and modern multi-zip messenger design provide no visible evidence of Coach manufacture; it is more consistent with a generic unbranded bag."
    ],
    "possible_model_reasoning": [
        "photo 1: The rectangular, soft-sided, multi-zip crossbody silhouette is a generic modern messenger design, not a recognizable vintage Coach model.",
        "No Coach model is proposed because no Coach identifier or Coach-specific leather construction is visible.",
        "Condition cannot be graded reliably from a single product photograph; apparent condition is unknown.",
        "No Coach silhouette match: double-zip nylon messenger with fabric strap does not correspond to any classic glove-tanned catalog style",
        "Construction dates as modern non-Coach: nylon body plus plated zippers plus fabric strap is excluded per triage rule unless Coach identifier visible, none visible",
        "Condition: appears New \/ Like New in single stock-style front view, but single view caps grading"
    ],
    "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: Gold-tone rectangular strap adjuster, zipper pulls, and small clip hardware are visible; no brand engraving is legible.",
        "leather_description": "photo 1: Body appears to be tan woven textile or nylon-like material with matching textile trim; leather is not visible.",
        "lining_description": "not_visible",
        "strap_construction": "photo 1: Wide adjustable woven textile crossbody strap with a rectangular slider and small clip attachments.",
        "stitching_description": "photo 1: Machine stitching appears generally even along the visible textile edges; fine construction details are not available."
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.0008,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.98,
                "coach_probability": 0.02,
                "vintage_probability": 0.02,
                "authenticity_confidence": 0.02,
                "image_quality_score": 0.78,
                "seller_misidentification_probability": 0.08,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [],
                "negative_evidence": [
                    "photo 1: Bag is a soft textile\/nylon-like messenger design rather than vintage Coach glove-tanned leather.",
                    "photo 1: No Coach wordmark, horse-and-carriage mark, creed patch, hangtag, or serial\/style number is visible.",
                    "photo 1: Wide woven textile strap and multiple exposed zipper compartments are inconsistent with the classic vintage Coach leather handbag population.",
                    "photo 1: The image appears to be a clean product-style photograph, with no interior or identifying details shown."
                ],
                "missing_information": [
                    "photo 1: Interior, lining, labels, and any sewn-in brand or care tags are not shown.",
                    "No close-up of any zipper pulls, hardware stamps, or label is provided.",
                    "Bottom, side, back, and strap-attachment construction views are not provided."
                ],
                "authenticity_concerns": [
                    "photo 1: The textile construction and modern multi-zip messenger design provide no visible evidence of Coach manufacture; it is more consistent with a generic unbranded bag."
                ],
                "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: Gold-tone rectangular strap adjuster, zipper pulls, and small clip hardware are visible; no brand engraving is legible.",
                    "leather_description": "photo 1: Body appears to be tan woven textile or nylon-like material with matching textile trim; leather is not visible.",
                    "lining_description": "not_visible",
                    "strap_construction": "photo 1: Wide adjustable woven textile crossbody strap with a rectangular slider and small clip attachments.",
                    "stitching_description": "photo 1: Machine stitching appears generally even along the visible textile edges; fine construction details are not available."
                },
                "possible_model_reasoning": [
                    "photo 1: The rectangular, soft-sided, multi-zip crossbody silhouette is a generic modern messenger design, not a recognizable vintage Coach model.",
                    "No Coach model is proposed because no Coach identifier or Coach-specific leather construction is visible.",
                    "Condition cannot be graded reliably from a single product photograph; apparent condition is unknown."
                ],
                "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": [],
                "authenticity_confidence": 0.02,
                "coach_probability": 0.02,
                "confidence": 0.9,
                "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 any creed patch or fabric tags not shown",
                    "back \/ side \/ bottom views not shown",
                    "hardware engravings \/ zipper brand not legible",
                    "seller dimensions and materials not stated"
                ],
                "negative_evidence": [
                    "photo 1: woven nylon \/ synthetic messenger body, not glove-tanned leather",
                    "photo 1: wide woven fabric crossbody strap with rectangular slider, not Coach leather strap with brass hardware",
                    "photo 1: exposed gold-tone zip compartments with modern rectangular pull tabs, no turnlock, no solid-brass vintage hardware",
                    "photo 1: no creed patch, no COACH wordmark, no horse-and-carriage, no leather hangtag visible"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "gold-tone zipper teeth and rectangular pull tabs, gold-tone D-rings and rectangular strap slider; lightweight plated appearance, not solid vintage brass",
                    "leather_description": "no leather visible; appears to be tan \/ khaki woven nylon or synthetic waterproof fabric",
                    "lining_description": "not_visible",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "straight machine stitching around zip pocket, tone-matched; no detailed stitch assessment possible",
                    "strap_construction": "wide adjustable woven fabric crossbody strap with metal slider and swivel clasps",
                    "turnlock_present": false
                },
                "positive_evidence": [],
                "possible_model_reasoning": [
                    "No Coach silhouette match: double-zip nylon messenger with fabric strap does not correspond to any classic glove-tanned catalog style",
                    "Construction dates as modern non-Coach: nylon body plus plated zippers plus fabric strap is excluded per triage rule unless Coach identifier visible, none visible",
                    "Condition: appears New \/ Like New in single stock-style front view, but single view caps grading"
                ],
                "possible_models": [],
                "recommended_max_bid": 8,
                "seller_misidentification_probability": 0.02,
                "vintage_probability": 0.02
            }
        }
    ],
    "_usage": [
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            "output_tokens": 640,
            "total_tokens": 17463,
            "estimated_cost_usd": 0.008265
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 17224,
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}