Vintage Coach Hunter

{
    "is_handbag_probability": 0.78,
    "coach_probability": 0.015,
    "vintage_probability": 0.01,
    "authenticity_confidence": 0.015,
    "image_quality_score": 0.905,
    "seller_misidentification_probability": 0.05,
    "confidence": 0.95,
    "recommended_max_bid": 8,
    "estimated_resale_low": 5,
    "estimated_resale_high": 20,
    "possible_models": [],
    "positive_evidence": [],
    "negative_evidence": [
        "photo 2: bag is a lightweight quilted synthetic\/fabric bottle carrier with a drawstring opening, front zip pocket, phone pocket, and patterned textile strap rather than a vintage leather handbag",
        "photo 2: bright silver-tone clip hardware and lightweight construction are inconsistent with classic vintage Coach brass-leather construction",
        "photo 1: no COACH wordmark, horse-and-carriage, creed patch, hangtag, or serial\/style identifier is visible",
        "photo 1: listing imagery identifies a water-bottle crossbody accessory with RFID and water-resistant features, not a Coach handbag",
        "photo 2: quilted synthetic nylon water-bottle holder silhouette with drawstring top - never a Coach catalog silhouette",
        "photo 2: lightweight nylon \/ water-resistant fabric construction, not glove-tanned leather",
        "photo 2: bright silver-tone carabiner clips, D-rings and zipper pulls, not vintage solid brass",
        "photo 1: marketing graphics state Lightweight, Water Resistant, RFID Protected, Only 0.57 lbs - modern fast-fashion features",
        "photo 1: seller title states Lightweight Crossbody Water Bottle Bag, seller_brand Unbranded - no Coach identifiers claimed or visible"
    ],
    "missing_information": [
        "photo 2: interior lining and any sewn-in manufacturer label are not shown",
        "photo 2: no actual-item photographs are provided; the images appear to be promotional or stock photography",
        "photo 2: bottom, seams, zipper pulls, and any hidden labels should be photographed if brand identification is important",
        "No creed patch shown (photo 2: interior not shown at all)",
        "No leather, brass hardware, or Coach wordmark visible to assess further",
        "No bottom, lining, or hardware stamp close-ups - not needed given modern nylon construction"
    ],
    "authenticity_concerns": [
        "photo 2: synthetic quilted construction, patterned fabric strap, and silver hardware strongly indicate a modern unbranded accessory rather than Coach",
        "photo 1: promotional stock-style imagery and absence of any Coach identifier provide no support for Coach manufacture"
    ],
    "possible_model_reasoning": [
        "photo 2: silhouette and features match a modern water-bottle crossbody bag, not a catalogued vintage Coach model",
        "photo 1: stated capacity for bottles and phone, RFID-blocking pocket, and 0.57 lb weight support a modern utility accessory classification",
        "photo 2: Condition cannot be reliably graded because only promotional imagery is shown; actual wear and defects are unknown",
        "No Coach model fits: water-bottle crossbody with front zip phone pocket, drawstring bottle compartment and wide webbing strap has no counterpart in Classic or modern Coach catalog",
        "Construction dates it modern non-Coach: nylon fabric, nickel hardware, RFID claim and 0.57 lb weight are inconsistent with any vintage Coach era",
        "Condition: New as listed marketing stock images; no wear assessable"
    ],
    "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: bright silver-tone carabiner clips, rings, zipper hardware, and key clip; no Coach engraving visible",
        "leather_description": "photo 2: appears to be quilted synthetic textile or nylon-like material, not leather",
        "lining_description": "not_visible",
        "strap_construction": "photo 2: wide patterned textile adjustable crossbody strap attached with silver-tone clips",
        "stitching_description": "photo 2: visible machine stitching and diamond quilting appear regular; construction is lightweight and contemporary"
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.0015,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.86,
                "coach_probability": 0.02,
                "vintage_probability": 0.01,
                "authenticity_confidence": 0.02,
                "image_quality_score": 0.96,
                "seller_misidentification_probability": 0.08,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [],
                "negative_evidence": [
                    "photo 2: bag is a lightweight quilted synthetic\/fabric bottle carrier with a drawstring opening, front zip pocket, phone pocket, and patterned textile strap rather than a vintage leather handbag",
                    "photo 2: bright silver-tone clip hardware and lightweight construction are inconsistent with classic vintage Coach brass-leather construction",
                    "photo 1: no COACH wordmark, horse-and-carriage, creed patch, hangtag, or serial\/style identifier is visible",
                    "photo 1: listing imagery identifies a water-bottle crossbody accessory with RFID and water-resistant features, not a Coach handbag"
                ],
                "missing_information": [
                    "photo 2: interior lining and any sewn-in manufacturer label are not shown",
                    "photo 2: no actual-item photographs are provided; the images appear to be promotional or stock photography",
                    "photo 2: bottom, seams, zipper pulls, and any hidden labels should be photographed if brand identification is important"
                ],
                "authenticity_concerns": [
                    "photo 2: synthetic quilted construction, patterned fabric strap, and silver hardware strongly indicate a modern unbranded accessory rather than Coach",
                    "photo 1: promotional stock-style imagery and absence of any Coach identifier provide no support for 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": "photo 2: bright silver-tone carabiner clips, rings, zipper hardware, and key clip; no Coach engraving visible",
                    "leather_description": "photo 2: appears to be quilted synthetic textile or nylon-like material, not leather",
                    "lining_description": "not_visible",
                    "strap_construction": "photo 2: wide patterned textile adjustable crossbody strap attached with silver-tone clips",
                    "stitching_description": "photo 2: visible machine stitching and diamond quilting appear regular; construction is lightweight and contemporary"
                },
                "possible_model_reasoning": [
                    "photo 2: silhouette and features match a modern water-bottle crossbody bag, not a catalogued vintage Coach model",
                    "photo 1: stated capacity for bottles and phone, RFID-blocking pocket, and 0.57 lb weight support a modern utility accessory classification",
                    "photo 2: Condition cannot be reliably graded because only promotional imagery is shown; actual wear and defects are unknown"
                ],
                "confidence": 0.95,
                "recommended_max_bid": 8,
                "estimated_resale_low": 5,
                "estimated_resale_high": 20
            }
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "result": {
                "authenticity_concerns": [],
                "authenticity_confidence": 0.01,
                "coach_probability": 0.01,
                "confidence": 0.95,
                "estimated_era": "modern (2000s+), non-Coach",
                "estimated_resale_high": 20,
                "estimated_resale_low": 5,
                "image_quality_score": 0.85,
                "is_handbag_probability": 0.7,
                "missing_information": [
                    "No creed patch shown (photo 2: interior not shown at all)",
                    "No leather, brass hardware, or Coach wordmark visible to assess further",
                    "No bottom, lining, or hardware stamp close-ups - not needed given modern nylon construction"
                ],
                "negative_evidence": [
                    "photo 2: quilted synthetic nylon water-bottle holder silhouette with drawstring top - never a Coach catalog silhouette",
                    "photo 2: lightweight nylon \/ water-resistant fabric construction, not glove-tanned leather",
                    "photo 2: bright silver-tone carabiner clips, D-rings and zipper pulls, not vintage solid brass",
                    "photo 1: marketing graphics state Lightweight, Water Resistant, RFID Protected, Only 0.57 lbs - modern fast-fashion features",
                    "photo 1: seller title states Lightweight Crossbody Water Bottle Bag, seller_brand Unbranded - no Coach identifiers claimed or visible"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "silver-tone carabiner snap hooks, D-rings, zipper pulls and key ring visible in photo 2; lightweight plated modern hardware",
                    "leather_description": "no leather visible; matte green synthetic nylon \/ polyester fabric with diamond quilting in photo 2",
                    "lining_description": "not_visible",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "diamond quilt stitching on front phone pocket visible in photo 2; even machine stitching",
                    "strap_construction": "wide woven jacquard-pattern adjustable crossbody strap with swivel carabiner ends in photo 2",
                    "turnlock_present": false
                },
                "positive_evidence": [],
                "possible_model_reasoning": [
                    "No Coach model fits: water-bottle crossbody with front zip phone pocket, drawstring bottle compartment and wide webbing strap has no counterpart in Classic or modern Coach catalog",
                    "Construction dates it modern non-Coach: nylon fabric, nickel hardware, RFID claim and 0.57 lb weight are inconsistent with any vintage Coach era",
                    "Condition: New as listed marketing stock images; no wear assessable"
                ],
                "possible_models": [],
                "recommended_max_bid": 8,
                "seller_misidentification_probability": 0.02,
                "vintage_probability": 0.01
            }
        }
    ],
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 20992,
            "output_tokens": 732,
            "total_tokens": 21724,
            "estimated_cost_usd": 0.010154
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 21665,
            "output_tokens": 1046,
            "total_tokens": 22711,
            "estimated_cost_usd": 0.00517
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    ]
}