Vintage Coach Hunter

{
    "is_handbag_probability": 0.965,
    "coach_probability": 0.02,
    "vintage_probability": 0.015,
    "authenticity_confidence": 0.02,
    "image_quality_score": 0.765,
    "seller_misidentification_probability": 0.025,
    "confidence": 0.92,
    "recommended_max_bid": 8,
    "estimated_resale_low": 6.5,
    "estimated_resale_high": 22.5,
    "possible_models": [],
    "positive_evidence": [],
    "negative_evidence": [
        "photo 1: Bag is constructed from black synthetic\/nylon-like fabric rather than vintage glove-tanned leather.",
        "photo 1: Multiple zippered compartments, gathered side pocket, webbing strap, and bright silver-tone rectangular adjuster indicate a modern utility messenger design.",
        "photo 1: Front circular badge visibly reads JINQIAOER, not COACH.",
        "photo 1: No Coach wordmark, horse-and-carriage, leather hangtag, creed patch, or vintage brass turnlock is visible.",
        "photo 1: Listing title describes the bag as waterproof and the seller identifies it as unbranded, consistent with a contemporary generic nylon bag.",
        "photo 1: black woven nylon messenger\/crossbody construction, not glove-tanned leather",
        "photo 1: circular rubber-like front patch reads JINQIAOER EST-2010, a non-Coach brand identifier",
        "photo 1: silver-tone rectangular slider and webbing strap, no solid brass Coach hardware",
        "photo 1: multiple exterior zip pockets and side bottle pocket silhouette with no Coach catalog match",
        "photo 1: no creed patch, no COACH wordmark, no horse-and-carriage, no leather hangtag, no turnlock visible"
    ],
    "missing_information": [
        "photo 1: Interior, bottom, strap attachments, and any additional labels are not shown, although these are unlikely to change the clear non-Coach assessment.",
        "No interior, bottom, or back views provided, but not needed for brand exclusion given visible non-Coach branding and nylon construction"
    ],
    "authenticity_concerns": [
        "photo 1: Visible JINQIAOER branding identifies a different brand; the bag has no visible Coach identifiers.",
        "photo 1: Synthetic waterproof construction and modern silver-tone hardware are inconsistent with the classic vintage Coach leather handbag population."
    ],
    "possible_model_reasoning": [
        "photo 1: The silhouette is a large modern multi-pocket nylon messenger\/crossbody bag, not a catalog vintage Coach leather style.",
        "photo 1: The visible JINQIAOER badge and waterproof synthetic construction support a generic contemporary bag classification.",
        "Condition: appears new or near-new from the clean product-style image, but actual wear and interior condition are not verifiable.",
        "photo 1: visible JINQIAOER EST-2010 front logo positively identifies maker as non-Coach modern mass-market brand",
        "Nylon, coated synthetic, and webbing construction excludes vintage Coach glove-tanned era per triage rule",
        "Silhouette is multi-pocket messenger\/hobo with no match in Coach classic or modern catalog",
        "Condition appears new\/unused from clean fabric and stock-style white-background presentation, but graded as generic non-Coach goods"
    ],
    "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: Bright silver-tone rectangular strap adjuster, small strap rings, and zipper hardware; no Coach engraving visible.",
        "leather_description": "photo 1: Black synthetic\/nylon-like textile with a slightly woven surface; not leather.",
        "lining_description": "not_visible",
        "strap_construction": "photo 1: Wide black woven webbing crossbody strap with rectangular silver-tone adjuster and sewn attachment points.",
        "stitching_description": "photo 1: Visible machine stitching appears generally even on the textile exterior; detailed seam quality is not assessable."
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.002,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.98,
                "coach_probability": 0.02,
                "vintage_probability": 0.01,
                "authenticity_confidence": 0.02,
                "image_quality_score": 0.88,
                "seller_misidentification_probability": 0.03,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [],
                "negative_evidence": [
                    "photo 1: Bag is constructed from black synthetic\/nylon-like fabric rather than vintage glove-tanned leather.",
                    "photo 1: Multiple zippered compartments, gathered side pocket, webbing strap, and bright silver-tone rectangular adjuster indicate a modern utility messenger design.",
                    "photo 1: Front circular badge visibly reads JINQIAOER, not COACH.",
                    "photo 1: No Coach wordmark, horse-and-carriage, leather hangtag, creed patch, or vintage brass turnlock is visible.",
                    "photo 1: Listing title describes the bag as waterproof and the seller identifies it as unbranded, consistent with a contemporary generic nylon bag."
                ],
                "missing_information": [
                    "photo 1: Interior, bottom, strap attachments, and any additional labels are not shown, although these are unlikely to change the clear non-Coach assessment."
                ],
                "authenticity_concerns": [
                    "photo 1: Visible JINQIAOER branding identifies a different brand; the bag has no visible Coach identifiers.",
                    "photo 1: Synthetic waterproof construction and modern silver-tone hardware are inconsistent with the classic vintage Coach leather handbag population."
                ],
                "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: Bright silver-tone rectangular strap adjuster, small strap rings, and zipper hardware; no Coach engraving visible.",
                    "leather_description": "photo 1: Black synthetic\/nylon-like textile with a slightly woven surface; not leather.",
                    "lining_description": "not_visible",
                    "strap_construction": "photo 1: Wide black woven webbing crossbody strap with rectangular silver-tone adjuster and sewn attachment points.",
                    "stitching_description": "photo 1: Visible machine stitching appears generally even on the textile exterior; detailed seam quality is not assessable."
                },
                "possible_model_reasoning": [
                    "photo 1: The silhouette is a large modern multi-pocket nylon messenger\/crossbody bag, not a catalog vintage Coach leather style.",
                    "photo 1: The visible JINQIAOER badge and waterproof synthetic construction support a generic contemporary bag classification.",
                    "Condition: appears new or near-new from the clean product-style image, but actual wear and interior condition are not verifiable."
                ],
                "confidence": 0.94,
                "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": 8,
                "image_quality_score": 0.65,
                "is_handbag_probability": 0.95,
                "missing_information": [
                    "No interior, bottom, or back views provided, but not needed for brand exclusion given visible non-Coach branding and nylon construction"
                ],
                "negative_evidence": [
                    "photo 1: black woven nylon messenger\/crossbody construction, not glove-tanned leather",
                    "photo 1: circular rubber-like front patch reads JINQIAOER EST-2010, a non-Coach brand identifier",
                    "photo 1: silver-tone rectangular slider and webbing strap, no solid brass Coach hardware",
                    "photo 1: multiple exterior zip pockets and side bottle pocket silhouette with no Coach catalog match",
                    "photo 1: no creed patch, no COACH wordmark, no horse-and-carriage, no leather hangtag, no turnlock visible"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "silver-tone metal rectangular slide buckle and D-rings on black webbing strap; black plastic\/coated zippers",
                    "leather_description": "not leather - black lightweight woven nylon \/ synthetic waterproof fabric",
                    "lining_description": "not_visible",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "straight machine stitching in matching black thread around pockets and panels",
                    "strap_construction": "wide black woven fabric crossbody strap, adjustable with silver-tone slider, attached with metal D-rings",
                    "turnlock_present": false
                },
                "positive_evidence": [],
                "possible_model_reasoning": [
                    "photo 1: visible JINQIAOER EST-2010 front logo positively identifies maker as non-Coach modern mass-market brand",
                    "Nylon, coated synthetic, and webbing construction excludes vintage Coach glove-tanned era per triage rule",
                    "Silhouette is multi-pocket messenger\/hobo with no match in Coach classic or modern catalog",
                    "Condition appears new\/unused from clean fabric and stock-style white-background presentation, but graded as generic non-Coach goods"
                ],
                "possible_models": [],
                "recommended_max_bid": 8,
                "seller_misidentification_probability": 0.02,
                "vintage_probability": 0.02
            }
        }
    ],
    "_usage": [
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            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 16823,
            "output_tokens": 704,
            "total_tokens": 17527,
            "estimated_cost_usd": 0.008419
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 17224,
            "output_tokens": 1029,
            "total_tokens": 18253,
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}