Vintage Coach Hunter

{
    "is_handbag_probability": 0.81,
    "coach_probability": 0.015,
    "vintage_probability": 0.015,
    "authenticity_confidence": 0.015,
    "image_quality_score": 0.8,
    "seller_misidentification_probability": 0.015,
    "confidence": 0.915,
    "recommended_max_bid": 6.5,
    "estimated_resale_low": 5,
    "estimated_resale_high": 17.5,
    "possible_models": [],
    "positive_evidence": [],
    "negative_evidence": [
        "photo 1: bag is a contemporary nylon\/polyester-style sling or waist pack with a wide webbing strap and plastic buckle, not a vintage leather handbag",
        "photo 2: visible dimensions and product styling indicate a modern travel waist bag",
        "photos 1-6: no COACH wordmark, horse-and-carriage, creed patch, leather hangtag, or Coach-specific hardware is visible",
        "photos 1-6: zipper pulls, webbing, synthetic-looking fabric, and plastic hardware are inconsistent with classic vintage Coach glove-tanned leather construction",
        "photo 2: black woven nylon body with webbing strap, not glove-tanned leather",
        "photo 4: black plastic side-release buckle and plastic zipper hardware, not solid brass",
        "photo 1,3,5,6: no turnlock, no leather hangtag, no COACH wordmark or horse-and-carriage visible",
        "photo 2: modern fanny-pack \/ sling silhouette with braided cord zip pulls, inconsistent with vintage Coach classics"
    ],
    "missing_information": [
        "photo 1 and photos 3-6 are lifestyle\/product images rather than detailed interior or manufacturing views",
        "photo 2 does not show the interior, labels, care tag, or country-of-origin information",
        "no close-up of zipper hardware or any possible brand marking is provided",
        "interior \/ maker label not shown (photo 1-6: lifestyle and exterior only, no interior view)",
        "no creed patch or brand stamp shown to verify maker"
    ],
    "authenticity_concerns": [
        "photos 1-6 show a nylon\/synthetic modern bag with plastic hardware and no Coach identifiers; it is not consistent with the vintage Coach handbag population"
    ],
    "possible_model_reasoning": [
        "The silhouette is a modern sling\/waist pack rather than a catalog vintage Coach leather handbag. The seller-stated title also describes it as nylon and water resistant, which is consistent with the photos but is only weak listing evidence.",
        "Condition appears Like New or New based on clean product\/lifestyle images, but actual wear, interior condition, and odor cannot be assessed from these photos.",
        "modern nylon fanny-pack \/ crossbody sling with plastic hardware does not match any vintage Coach catalog style in leather with brass turnlock",
        "no Coach hard identifiers visible in any photo: no creed, no wordmark, no hangtag, no brass hardware",
        "Condition: appears new \/ like-new generic stock in photos 2 and 4, but graded as generic non-Coach, not Coach condition tier"
    ],
    "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": "photos 1-6: black plastic side-release buckle and zipper hardware; no Coach engraving visible",
        "leather_description": "photos 1-6: black woven nylon or synthetic textile body; leather is not visible",
        "lining_description": "not_visible",
        "strap_construction": "photos 1-6: adjustable black woven webbing strap with plastic adjustment hardware and side-release buckle",
        "stitching_description": "photos 1-6: visible machine-stitched seams appear even; detailed stress-point stitching is not shown"
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.0028,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.72,
                "coach_probability": 0.01,
                "vintage_probability": 0.01,
                "authenticity_confidence": 0.01,
                "image_quality_score": 0.9,
                "seller_misidentification_probability": 0.01,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [],
                "negative_evidence": [
                    "photo 1: bag is a contemporary nylon\/polyester-style sling or waist pack with a wide webbing strap and plastic buckle, not a vintage leather handbag",
                    "photo 2: visible dimensions and product styling indicate a modern travel waist bag",
                    "photos 1-6: no COACH wordmark, horse-and-carriage, creed patch, leather hangtag, or Coach-specific hardware is visible",
                    "photos 1-6: zipper pulls, webbing, synthetic-looking fabric, and plastic hardware are inconsistent with classic vintage Coach glove-tanned leather construction"
                ],
                "missing_information": [
                    "photo 1 and photos 3-6 are lifestyle\/product images rather than detailed interior or manufacturing views",
                    "photo 2 does not show the interior, labels, care tag, or country-of-origin information",
                    "no close-up of zipper hardware or any possible brand marking is provided"
                ],
                "authenticity_concerns": [
                    "photos 1-6 show a nylon\/synthetic modern bag with plastic hardware and no Coach identifiers; it is not consistent with the vintage Coach 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": "photos 1-6: black plastic side-release buckle and zipper hardware; no Coach engraving visible",
                    "leather_description": "photos 1-6: black woven nylon or synthetic textile body; leather is not visible",
                    "lining_description": "not_visible",
                    "strap_construction": "photos 1-6: adjustable black woven webbing strap with plastic adjustment hardware and side-release buckle",
                    "stitching_description": "photos 1-6: visible machine-stitched seams appear even; detailed stress-point stitching is not shown"
                },
                "possible_model_reasoning": [
                    "The silhouette is a modern sling\/waist pack rather than a catalog vintage Coach leather handbag. The seller-stated title also describes it as nylon and water resistant, which is consistent with the photos but is only weak listing evidence.",
                    "Condition appears Like New or New based on clean product\/lifestyle images, but actual wear, interior condition, and odor cannot be assessed from these photos."
                ],
                "confidence": 0.95,
                "recommended_max_bid": 5,
                "estimated_resale_low": 5,
                "estimated_resale_high": 20
            }
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "result": {
                "authenticity_concerns": [],
                "authenticity_confidence": 0.02,
                "coach_probability": 0.02,
                "confidence": 0.88,
                "estimated_era": "modern (2000s+), non-Coach",
                "estimated_resale_high": 15,
                "estimated_resale_low": 5,
                "image_quality_score": 0.7,
                "is_handbag_probability": 0.9,
                "missing_information": [
                    "interior \/ maker label not shown (photo 1-6: lifestyle and exterior only, no interior view)",
                    "no creed patch or brand stamp shown to verify maker"
                ],
                "negative_evidence": [
                    "photo 2: black woven nylon body with webbing strap, not glove-tanned leather",
                    "photo 4: black plastic side-release buckle and plastic zipper hardware, not solid brass",
                    "photo 1,3,5,6: no turnlock, no leather hangtag, no COACH wordmark or horse-and-carriage visible",
                    "photo 2: modern fanny-pack \/ sling silhouette with braided cord zip pulls, inconsistent with vintage Coach classics"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "black plastic side-release buckle and adjusters on webbing strap; small metal zipper sliders with black braided cord pulls",
                    "leather_description": "no leather visible; black woven nylon \/ synthetic fabric body",
                    "lining_description": "not_visible",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "straight machine stitching around panels, consistent with mass-produced synthetic bag",
                    "strap_construction": "wide black synthetic webbing belt strap with plastic side-release buckle, sewn to bag sides",
                    "turnlock_present": false
                },
                "positive_evidence": [],
                "possible_model_reasoning": [
                    "modern nylon fanny-pack \/ crossbody sling with plastic hardware does not match any vintage Coach catalog style in leather with brass turnlock",
                    "no Coach hard identifiers visible in any photo: no creed, no wordmark, no hangtag, no brass hardware",
                    "Condition: appears new \/ like-new generic stock in photos 2 and 4, but graded as generic non-Coach, not Coach condition tier"
                ],
                "possible_models": [],
                "recommended_max_bid": 8,
                "seller_misidentification_probability": 0.02,
                "vintage_probability": 0.02
            }
        }
    ],
    "_usage": [
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            "output_tokens": 727,
            "total_tokens": 23696,
            "estimated_cost_usd": 0.010932
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
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}