Vintage Coach Hunter

{
    "is_handbag_probability": 0.985,
    "coach_probability": 0.02,
    "vintage_probability": 0.025,
    "authenticity_confidence": 0.02,
    "image_quality_score": 0.61,
    "seller_misidentification_probability": 0.05,
    "confidence": 0.86,
    "recommended_max_bid": 6.5,
    "estimated_resale_low": 5,
    "estimated_resale_high": 22.5,
    "possible_models": [],
    "positive_evidence": [],
    "negative_evidence": [
        "photo 1: visible front branding reads \"FASHION & BAGS,\" not COACH.",
        "photo 1: seller title explicitly describes the material as PU leather, which is inconsistent with the glove-tanned leather typical of the vintage Coach population.",
        "photo 1: generic large tote construction with thin long handles and decorative accessories does not match a clearly recognizable vintage Coach model.",
        "photo 1: bright gold-tone decorative key, tennis-racket charm, and tassel appear fashion-oriented rather than identifiable Coach hardware.",
        "photo 1: seller title states PU Leather, faux material excludes vintage Coach glove-tanned leather",
        "photo 1: front embossed text reads FASHION & BAGS, no COACH wordmark or horse-and-carriage",
        "photo 1: no turnlock, no leather hangtag, no creed patch visible",
        "photo 1: modern fast-fashion construction - thin fixed double straps, knotted toggle closure, novelty key\/racket charms with fabric cords, shiny coated PU surface"
    ],
    "missing_information": [
        "photo 1: only a single front stock-style image is provided.",
        "Interior, lining, creed patch, fabric tags, zipper, bottom, corners, and strap attachment details are not shown.",
        "No close-up of the branding or any interior label is provided.",
        "Seller-stated dimensions, country of manufacture, and purchase history are unavailable.",
        "photo 1 only front view: no interior, creed, bottom, back, or hardware close-ups to verify further (low value given PU identification)",
        "interior lining and closure detail not shown"
    ],
    "authenticity_concerns": [
        "photo 1: the visible non-Coach \"FASHION & BAGS\" wordmark and stated PU construction strongly indicate a generic fashion bag rather than a Coach product.",
        "photo 1: no Coach identifier is visible; Coach probability is based on the apparent generic construction and branding, not authentication."
    ],
    "possible_model_reasoning": [
        "photo 1: silhouette is a generic modern tote or shoulder bag, not a sufficiently distinctive Coach model.",
        "photo 1: no creed, serial\/style number, Coach wordmark, horse-and-carriage mark, or recognizable Coach-specific closure is visible.",
        "Condition cannot be reliably graded because the interior, bottom, corners, and functional hardware are not shown; visible exterior appears unused or lightly handled.",
        "Not a Coach silhouette: soft baguette\/underarm tote with knot closure matches modern unbranded PU tote, not any catalog style in \u00a74",
        "No Coach identifiers visible in photo 1: no creed, no wordmark, no hangtag, no solid-brass turnlock",
        "Material stated as PU leather is disqualifying for vintage Coach per \u00a71 and \u00a79 calibration",
        "Condition: New-appearing stock-type image; no wear visible in photo 1"
    ],
    "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 decorative key, tennis-racket-like charm, tassel, and small ring; no identifiable Coach hardware visible.",
        "leather_description": "photo 1: smooth, glossy, mottled brown material; seller states PU leather, and the surface appears synthetic rather than natural glove-tanned leather.",
        "lining_description": "not_visible",
        "strap_construction": "photo 1: two long, narrow, fixed shoulder handles with visible stitching and decorative knotted attachments.",
        "stitching_description": "photo 1: visible top-edge and handle stitching appears generally even, but construction details are limited by the single image."
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.0002,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.98,
                "coach_probability": 0.02,
                "vintage_probability": 0.03,
                "authenticity_confidence": 0.02,
                "image_quality_score": 0.62,
                "seller_misidentification_probability": 0.08,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [],
                "negative_evidence": [
                    "photo 1: visible front branding reads \"FASHION & BAGS,\" not COACH.",
                    "photo 1: seller title explicitly describes the material as PU leather, which is inconsistent with the glove-tanned leather typical of the vintage Coach population.",
                    "photo 1: generic large tote construction with thin long handles and decorative accessories does not match a clearly recognizable vintage Coach model.",
                    "photo 1: bright gold-tone decorative key, tennis-racket charm, and tassel appear fashion-oriented rather than identifiable Coach hardware."
                ],
                "missing_information": [
                    "photo 1: only a single front stock-style image is provided.",
                    "Interior, lining, creed patch, fabric tags, zipper, bottom, corners, and strap attachment details are not shown.",
                    "No close-up of the branding or any interior label is provided.",
                    "Seller-stated dimensions, country of manufacture, and purchase history are unavailable."
                ],
                "authenticity_concerns": [
                    "photo 1: the visible non-Coach \"FASHION & BAGS\" wordmark and stated PU construction strongly indicate a generic fashion bag rather than a Coach product.",
                    "photo 1: no Coach identifier is visible; Coach probability is based on the apparent generic construction and branding, not authentication."
                ],
                "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 decorative key, tennis-racket-like charm, tassel, and small ring; no identifiable Coach hardware visible.",
                    "leather_description": "photo 1: smooth, glossy, mottled brown material; seller states PU leather, and the surface appears synthetic rather than natural glove-tanned leather.",
                    "lining_description": "not_visible",
                    "strap_construction": "photo 1: two long, narrow, fixed shoulder handles with visible stitching and decorative knotted attachments.",
                    "stitching_description": "photo 1: visible top-edge and handle stitching appears generally even, but construction details are limited by the single image."
                },
                "possible_model_reasoning": [
                    "photo 1: silhouette is a generic modern tote or shoulder bag, not a sufficiently distinctive Coach model.",
                    "photo 1: no creed, serial\/style number, Coach wordmark, horse-and-carriage mark, or recognizable Coach-specific closure is visible.",
                    "Condition cannot be reliably graded because the interior, bottom, corners, and functional hardware are not shown; visible exterior appears unused or lightly handled."
                ],
                "confidence": 0.84,
                "recommended_max_bid": 5,
                "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": 0.88,
                "estimated_era": "modern (2000s+), non-Coach",
                "estimated_resale_high": 20,
                "estimated_resale_low": 5,
                "image_quality_score": 0.6,
                "is_handbag_probability": 0.99,
                "missing_information": [
                    "photo 1 only front view: no interior, creed, bottom, back, or hardware close-ups to verify further (low value given PU identification)",
                    "interior lining and closure detail not shown"
                ],
                "negative_evidence": [
                    "photo 1: seller title states PU Leather, faux material excludes vintage Coach glove-tanned leather",
                    "photo 1: front embossed text reads FASHION & BAGS, no COACH wordmark or horse-and-carriage",
                    "photo 1: no turnlock, no leather hangtag, no creed patch visible",
                    "photo 1: modern fast-fashion construction - thin fixed double straps, knotted toggle closure, novelty key\/racket charms with fabric cords, shiny coated PU surface"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "gold-tone toggle tip and key charm; no solid brass turnlock, buckles or dogleash clips visible",
                    "leather_description": "smooth brown coated faux (PU) leather with sheen and wrinkled finish, not glove-tanned full-grain cowhide",
                    "lining_description": "not_visible",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "visible top-edge stitching around opening; no detailed stitch assessment possible",
                    "strap_construction": "two thin fixed shoulder straps threaded through front tabs with knot detail, not buckle-adjustable or dogleash-detachable",
                    "turnlock_present": false
                },
                "positive_evidence": [],
                "possible_model_reasoning": [
                    "Not a Coach silhouette: soft baguette\/underarm tote with knot closure matches modern unbranded PU tote, not any catalog style in \u00a74",
                    "No Coach identifiers visible in photo 1: no creed, no wordmark, no hangtag, no solid-brass turnlock",
                    "Material stated as PU leather is disqualifying for vintage Coach per \u00a71 and \u00a79 calibration",
                    "Condition: New-appearing stock-type image; no wear visible in photo 1"
                ],
                "possible_models": [],
                "recommended_max_bid": 8,
                "seller_misidentification_probability": 0.02,
                "vintage_probability": 0.02
            }
        }
    ],
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 16825,
            "output_tokens": 692,
            "total_tokens": 17517,
            "estimated_cost_usd": 0.008391
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 17226,
            "output_tokens": 1316,
            "total_tokens": 18542,
            "estimated_cost_usd": 0.004498
        }
    ]
}