Vintage Coach Hunter

{
    "is_handbag_probability": 0.96,
    "coach_probability": 0.015,
    "vintage_probability": 0.015,
    "authenticity_confidence": 0.015,
    "image_quality_score": 0.75,
    "seller_misidentification_probability": 0.02,
    "confidence": 0.915,
    "recommended_max_bid": 9,
    "estimated_resale_low": 5,
    "estimated_resale_high": 22.5,
    "possible_models": [],
    "positive_evidence": [],
    "negative_evidence": [
        "photo 1: the front clearly displays the non-Coach wordmark \"POLO VUDENG\".",
        "photo 1: the bag has a modern synthetic-looking pebbled exterior, textile webbing strap, and prominent branded strap hardware rather than vintage Coach construction.",
        "photo 1: the visible logo and overall messenger design identify it as a different brand, not an unbranded vintage Coach bag.",
        "photo 1: flap clearly embossed POLO VIDENG, not COACH",
        "photo 1: shoulder strap pad embossed POLO VIDENG",
        "photo 1: modern men's messenger silhouette with fabric webbing strap and rectangular slider buckle, not a Coach catalog silhouette",
        "photo 1: silver-tone hardware with no brass turnlock, dogleash clips, or Coach identifiers",
        "photo 1: uniform pebbled faux-appearing leather with no glove-tanned patina or unlined suede interior visible"
    ],
    "missing_information": [
        "photo 1 is a single front product view; interior, lining, underside, zipper pulls, and construction details are not shown.",
        "The seller's listing provides no dimensions, material specification, or additional brand documentation.",
        "photo 1 only: no interior, bottom, back, or close-up views shown",
        "creed patch not shown - no interior view to check for Coach creed",
        "hardware stamps, zipper brand, and lining not visible"
    ],
    "authenticity_concerns": [],
    "possible_model_reasoning": [
        "photo 1: the flap messenger\/crossbody silhouette is a modern non-Coach satchel and does not match a specific Coach catalog model.",
        "photo 1: condition appears new or unused from the clean stock-style image, but actual condition cannot be verified from one product photograph.",
        "No Coach model fits: visible POLO VIDENG branding, modern messenger form, silver hardware, and synthetic-appearing materials are inconsistent with any vintage Coach style",
        "Condition: new-appearing in stock-style photo, but single view only so no grade can be capped reliably"
    ],
    "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 buckle and side clips are visible; no Coach markings are visible.",
        "leather_description": "photo 1: dark brown\/black pebbled material with a uniform, likely manufactured finish; exact material cannot be confirmed from the product photo.",
        "lining_description": "not_visible",
        "strap_construction": "photo 1: adjustable dark textile webbing crossbody strap with stitched leather-like reinforcement and branded buckle.",
        "stitching_description": "photo 1: perimeter stitching appears even on the visible exterior; interior and stress-point stitching are not visible."
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.0033,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.97,
                "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: the front clearly displays the non-Coach wordmark \"POLO VUDENG\".",
                    "photo 1: the bag has a modern synthetic-looking pebbled exterior, textile webbing strap, and prominent branded strap hardware rather than vintage Coach construction.",
                    "photo 1: the visible logo and overall messenger design identify it as a different brand, not an unbranded vintage Coach bag."
                ],
                "missing_information": [
                    "photo 1 is a single front product view; interior, lining, underside, zipper pulls, and construction details are not shown.",
                    "The seller's listing provides no dimensions, material specification, or additional brand documentation."
                ],
                "authenticity_concerns": [],
                "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 buckle and side clips are visible; no Coach markings are visible.",
                    "leather_description": "photo 1: dark brown\/black pebbled material with a uniform, likely manufactured finish; exact material cannot be confirmed from the product photo.",
                    "lining_description": "not_visible",
                    "strap_construction": "photo 1: adjustable dark textile webbing crossbody strap with stitched leather-like reinforcement and branded buckle.",
                    "stitching_description": "photo 1: perimeter stitching appears even on the visible exterior; interior and stress-point stitching are not visible."
                },
                "possible_model_reasoning": [
                    "photo 1: the flap messenger\/crossbody silhouette is a modern non-Coach satchel and does not match a specific Coach catalog model.",
                    "photo 1: condition appears new or unused from the clean stock-style image, but actual condition cannot be verified from one product photograph."
                ],
                "confidence": 0.93,
                "recommended_max_bid": 10,
                "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": 0.6,
                "is_handbag_probability": 0.95,
                "missing_information": [
                    "photo 1 only: no interior, bottom, back, or close-up views shown",
                    "creed patch not shown - no interior view to check for Coach creed",
                    "hardware stamps, zipper brand, and lining not visible"
                ],
                "negative_evidence": [
                    "photo 1: flap clearly embossed POLO VIDENG, not COACH",
                    "photo 1: shoulder strap pad embossed POLO VIDENG",
                    "photo 1: modern men's messenger silhouette with fabric webbing strap and rectangular slider buckle, not a Coach catalog silhouette",
                    "photo 1: silver-tone hardware with no brass turnlock, dogleash clips, or Coach identifiers",
                    "photo 1: uniform pebbled faux-appearing leather with no glove-tanned patina or unlined suede interior visible"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "silver-tone rectangular strap buckle and side clasps; no turnlock visible",
                    "leather_description": "dark brown pebbled grain material, uniform texture with sheen suggesting coated or synthetic leather; no glove-tanned characteristics visible",
                    "lining_description": "not_visible",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "edge stitching visible along flap and body but detail not clear in single distant view",
                    "strap_construction": "wide fabric webbing crossbody strap with wide faux-leather shoulder pad and metal adjustment buckle",
                    "turnlock_present": false
                },
                "positive_evidence": [],
                "possible_model_reasoning": [
                    "No Coach model fits: visible POLO VIDENG branding, modern messenger form, silver hardware, and synthetic-appearing materials are inconsistent with any vintage Coach style",
                    "Condition: new-appearing in stock-style photo, but single view only so no grade can be capped reliably"
                ],
                "possible_models": [],
                "recommended_max_bid": 8,
                "seller_misidentification_probability": 0.03,
                "vintage_probability": 0.02
            }
        }
    ],
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 15842,
            "output_tokens": 486,
            "total_tokens": 16328,
            "estimated_cost_usd": 0.007503
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 16158,
            "output_tokens": 1214,
            "total_tokens": 17372,
            "estimated_cost_usd": 0.004203
        }
    ]
}