Vintage Coach Hunter

{
    "is_handbag_probability": 0.965,
    "coach_probability": 0.015,
    "vintage_probability": 0.015,
    "authenticity_confidence": 0.015,
    "image_quality_score": 0.83,
    "seller_misidentification_probability": 0.03,
    "confidence": 0.93,
    "recommended_max_bid": 9,
    "estimated_resale_low": 9,
    "estimated_resale_high": 25,
    "possible_models": [],
    "positive_evidence": [],
    "negative_evidence": [
        "photo 1: visible Via Fiore brand hangtag and logo, not a Coach wordmark or carriage.",
        "photo 1: listing identifies the material as vegan leather, which is inconsistent with the glove-tanned leather used in classic vintage Coach bags.",
        "photos 1-4: modern sling-bag construction with bright silver-tone hardware, multiple zippered compartments, and a wide geometric fabric strap; it does not match a recognizable vintage Coach silhouette.",
        "photos 1-4: no Coach creed, serial\/style number, Coach hangtag, or Coach branding is visible.",
        "photo 1: black hangtag reads VIAFIORE \/ VF - explicit non-Coach brand",
        "photo 1: title states vegan leather - faux material coach_probability <=0.05 per skill",
        "photo 1,2: modern sling \/ sling-bag silhouette with front zip pocket and wide woven chevron strap - no vintage Coach catalog match",
        "photo 1,2: silver-tone zippers and lobster clips, no solid brass, no turnlock, no glove-tanned leather, no creed patch visible"
    ],
    "missing_information": [
        "photo 1-4: no interior view or lining photograph.",
        "photo 1-4: no close-up of any interior labels or material composition tag; however, the exterior Via Fiore tag is already visible.",
        "photo 1-4: interior \/ creed patch not shown - not needed as exterior branding is conclusive",
        "photo 1-4: no bottom \/ hardware close-up - not needed for this determination"
    ],
    "authenticity_concerns": [
        "photos 1-4: the visible Via Fiore branding and stated vegan-leather construction are inconsistent with the bag being a Coach-made vintage leather handbag."
    ],
    "possible_model_reasoning": [
        "No Coach identifier visible in any photo: no creed, no COACH wordmark, no horse-and-carriage, no leather hangtag",
        "Seller title explicitly brands bag as VIA FIORE vegan leather sling, confirmed by photo 1 hangtag - consistent modern fast-fashion product",
        "Construction - vegan leather, silver zippers, fabric strap, sling shape - points to modern (2000s+) non-Coach, not any 1970s-1990s classic",
        "Condition: New With Tags; tags present (photo 1,2,4), no wear visible"
    ],
    "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 1-4: bright silver-tone zipper hardware, rings, clips, and a small circular logo emblem; no Coach engraving visible.",
        "leather_description": "photos 1-4: black synthetic-looking pebbled material; seller states vegan leather.",
        "lining_description": "not_visible",
        "strap_construction": "photos 1-4: wide adjustable black-and-white geometric fabric strap with silver-tone clips and attachment rings.",
        "stitching_description": "photos 1-4: visible machine stitching appears generally even around the exterior pockets and edges; interior stitching is not shown."
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.0026,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.98,
                "coach_probability": 0.01,
                "vintage_probability": 0.01,
                "authenticity_confidence": 0.01,
                "image_quality_score": 0.96,
                "seller_misidentification_probability": 0.03,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [],
                "negative_evidence": [
                    "photo 1: visible Via Fiore brand hangtag and logo, not a Coach wordmark or carriage.",
                    "photo 1: listing identifies the material as vegan leather, which is inconsistent with the glove-tanned leather used in classic vintage Coach bags.",
                    "photos 1-4: modern sling-bag construction with bright silver-tone hardware, multiple zippered compartments, and a wide geometric fabric strap; it does not match a recognizable vintage Coach silhouette.",
                    "photos 1-4: no Coach creed, serial\/style number, Coach hangtag, or Coach branding is visible."
                ],
                "missing_information": [
                    "photo 1-4: no interior view or lining photograph.",
                    "photo 1-4: no close-up of any interior labels or material composition tag; however, the exterior Via Fiore tag is already visible."
                ],
                "authenticity_concerns": [
                    "photos 1-4: the visible Via Fiore branding and stated vegan-leather construction are inconsistent with the bag being a Coach-made vintage leather handbag."
                ],
                "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": true,
                    "hardware_description": "photos 1-4: bright silver-tone zipper hardware, rings, clips, and a small circular logo emblem; no Coach engraving visible.",
                    "leather_description": "photos 1-4: black synthetic-looking pebbled material; seller states vegan leather.",
                    "lining_description": "not_visible",
                    "strap_construction": "photos 1-4: wide adjustable black-and-white geometric fabric strap with silver-tone clips and attachment rings.",
                    "stitching_description": "photos 1-4: visible machine stitching appears generally even around the exterior pockets and edges; interior stitching is not shown."
                },
                "possible_model_reasoning": [],
                "confidence": 0.96,
                "recommended_max_bid": 8,
                "estimated_resale_low": 8,
                "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": 25,
                "estimated_resale_low": 10,
                "image_quality_score": 0.7,
                "is_handbag_probability": 0.95,
                "missing_information": [
                    "photo 1-4: interior \/ creed patch not shown - not needed as exterior branding is conclusive",
                    "photo 1-4: no bottom \/ hardware close-up - not needed for this determination"
                ],
                "negative_evidence": [
                    "photo 1: black hangtag reads VIAFIORE \/ VF - explicit non-Coach brand",
                    "photo 1: title states vegan leather - faux material coach_probability <=0.05 per skill",
                    "photo 1,2: modern sling \/ sling-bag silhouette with front zip pocket and wide woven chevron strap - no vintage Coach catalog match",
                    "photo 1,2: silver-tone zippers and lobster clips, no solid brass, no turnlock, no glove-tanned leather, no creed patch visible"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "silver-tone zippers and swivel clips; no turnlock; no brass; modern plated hardware",
                    "leather_description": "black smooth faux \/ vegan leather with light grain, slight sheen; not glove-tanned cowhide",
                    "lining_description": "not_visible",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "straight edge stitching tone-on-tone; no detailed stitch view",
                    "strap_construction": "wide adjustable woven fabric crossbody strap with black\/white chevron pattern, metal swivel clips",
                    "turnlock_present": false
                },
                "positive_evidence": [],
                "possible_model_reasoning": [
                    "No Coach identifier visible in any photo: no creed, no COACH wordmark, no horse-and-carriage, no leather hangtag",
                    "Seller title explicitly brands bag as VIA FIORE vegan leather sling, confirmed by photo 1 hangtag - consistent modern fast-fashion product",
                    "Construction - vegan leather, silver zippers, fabric strap, sling shape - points to modern (2000s+) non-Coach, not any 1970s-1990s classic",
                    "Condition: New With Tags; tags present (photo 1,2,4), no wear visible"
                ],
                "possible_models": [],
                "recommended_max_bid": 10,
                "seller_misidentification_probability": 0.03,
                "vintage_probability": 0.02
            }
        }
    ],
    "_usage": [
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            "model_name": "openai:gpt-5.6-luna",
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            "output_tokens": 631,
            "total_tokens": 17335,
            "estimated_cost_usd": 0.008196
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 17038,
            "output_tokens": 1202,
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}