Vintage Coach Hunter

{
    "is_handbag_probability": 0.985,
    "coach_probability": 0.02,
    "vintage_probability": 0.015,
    "authenticity_confidence": 0.02,
    "image_quality_score": 0.76,
    "seller_misidentification_probability": 0.025,
    "confidence": 0.875,
    "recommended_max_bid": 7.5,
    "estimated_resale_low": 5,
    "estimated_resale_high": 22.5,
    "possible_models": [],
    "positive_evidence": [
        "photo 1: clearly a handbag with a crescent-hobo silhouette and shoulder strap."
    ],
    "negative_evidence": [
        "photo 1: seller identifies the material as PU leather; Coach vintage classics are generally glove-tanned leather, not PU.",
        "photo 1: smooth uniform synthetic-looking surface, bright gold-tone zipper, and plated strap hardware are inconsistent with typical vintage Coach construction.",
        "photo 1: no visible Coach wordmark, horse-and-carriage, hangtag, creed patch, or other Coach identifier.",
        "photo 1: the product-style studio image and generic crescent-hobo design provide no brand-specific evidence.",
        "photo 1: seller title states PU leather - faux\/vegan material excludes vintage Coach glove-tanned leather",
        "photo 1: modern crescent hobo silhouette with top zip and thin adjustable shoulder strap on rectangular gold-tone rings, not a catalog Coach classic shape",
        "photo 1: no creed patch, no COACH wordmark, no horse-and-carriage, no leather hangtag visible",
        "photo 1: smooth uniform coated faux-leather surface with no full-grain character, no solid-brass vintage hardware"
    ],
    "missing_information": [
        "Interior view and any sewn-in brand or care label.",
        "Close-ups of zipper pull, hardware, strap attachments, and material edges.",
        "Bottom, side, and back views; listing appears to provide only one front product image.",
        "photo 1 only: no interior, creed, bottom, back or hardware close-up views",
        "creed not shown - no stamped leather patch visible",
        "lining, zipper brand stamp, and hardware engravings not visible"
    ],
    "authenticity_concerns": [
        "photo 1: PU construction and generic modern hardware are inconsistent with a vintage Coach leather handbag; it appears to be an unbranded modern synthetic bag rather than a Coach product."
    ],
    "possible_model_reasoning": [
        "The crescent-hobo silhouette is generic and does not match a sufficiently identifiable Coach model from the visible evidence.",
        "The seller's PU description and the modern product-photo presentation support a modern non-Coach classification.",
        "Condition cannot be reliably graded from a stock-style image; visible surfaces appear unused, but interior, corners, odors, and functionality are unknown.",
        "No Coach model fits: crescent zip-top hobo in PU with modern thin strap and plated rings does not match City Bag, Willis, Court, Ergo or other catalog styles in silhouette, closure or materials",
        "Era reasoning: PU material, plated hardware, crescent mini-hobo shape indicate modern fast-fashion, non-Coach, 2000s+",
        "Condition: appears New\/unused in single stock-like photo with no wear visible, but only one exterior view so condition capped"
    ],
    "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: bright gold-tone zipper and small gold-tone strap connectors; no brand engraving is legible.",
        "leather_description": "photo 1: smooth, uniform brown\/cognac PU or synthetic leather as stated in the listing; natural leather grain is not visible.",
        "lining_description": "not_visible",
        "strap_construction": "photo 1: single adjustable shoulder strap with stitched synthetic-leather padding\/keeper sections and small metal connectors.",
        "stitching_description": "photo 1: visible machine stitching appears regular along the strap and edges; fine construction details are limited by the product photo."
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.0038,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.98,
                "coach_probability": 0.02,
                "vintage_probability": 0.01,
                "authenticity_confidence": 0.02,
                "image_quality_score": 0.92,
                "seller_misidentification_probability": 0.03,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [
                    "photo 1: clearly a handbag with a crescent-hobo silhouette and shoulder strap."
                ],
                "negative_evidence": [
                    "photo 1: seller identifies the material as PU leather; Coach vintage classics are generally glove-tanned leather, not PU.",
                    "photo 1: smooth uniform synthetic-looking surface, bright gold-tone zipper, and plated strap hardware are inconsistent with typical vintage Coach construction.",
                    "photo 1: no visible Coach wordmark, horse-and-carriage, hangtag, creed patch, or other Coach identifier.",
                    "photo 1: the product-style studio image and generic crescent-hobo design provide no brand-specific evidence."
                ],
                "missing_information": [
                    "Interior view and any sewn-in brand or care label.",
                    "Close-ups of zipper pull, hardware, strap attachments, and material edges.",
                    "Bottom, side, and back views; listing appears to provide only one front product image."
                ],
                "authenticity_concerns": [
                    "photo 1: PU construction and generic modern hardware are inconsistent with a vintage Coach leather handbag; it appears to be an unbranded modern synthetic bag rather than a Coach product."
                ],
                "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: bright gold-tone zipper and small gold-tone strap connectors; no brand engraving is legible.",
                    "leather_description": "photo 1: smooth, uniform brown\/cognac PU or synthetic leather as stated in the listing; natural leather grain is not visible.",
                    "lining_description": "not_visible",
                    "strap_construction": "photo 1: single adjustable shoulder strap with stitched synthetic-leather padding\/keeper sections and small metal connectors.",
                    "stitching_description": "photo 1: visible machine stitching appears regular along the strap and edges; fine construction details are limited by the product photo."
                },
                "possible_model_reasoning": [
                    "The crescent-hobo silhouette is generic and does not match a sufficiently identifiable Coach model from the visible evidence.",
                    "The seller's PU description and the modern product-photo presentation support a modern non-Coach classification.",
                    "Condition cannot be reliably graded from a stock-style image; visible surfaces appear unused, but interior, corners, odors, and functionality are unknown."
                ],
                "confidence": 0.9,
                "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": 0.85,
                "estimated_era": "modern (2000s+), non-Coach",
                "estimated_resale_high": 25,
                "estimated_resale_low": 5,
                "image_quality_score": 0.6,
                "is_handbag_probability": 0.99,
                "missing_information": [
                    "photo 1 only: no interior, creed, bottom, back or hardware close-up views",
                    "creed not shown - no stamped leather patch visible",
                    "lining, zipper brand stamp, and hardware engravings not visible"
                ],
                "negative_evidence": [
                    "photo 1: seller title states PU leather - faux\/vegan material excludes vintage Coach glove-tanned leather",
                    "photo 1: modern crescent hobo silhouette with top zip and thin adjustable shoulder strap on rectangular gold-tone rings, not a catalog Coach classic shape",
                    "photo 1: no creed patch, no COACH wordmark, no horse-and-carriage, no leather hangtag visible",
                    "photo 1: smooth uniform coated faux-leather surface with no full-grain character, no solid-brass vintage hardware"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "gold-tone rectangular strap rings and top zipper teeth; thin plated appearance, not solid vintage brass; no engravings legible",
                    "leather_description": "smooth uniform tan-brown PU faux leather with slight sheen, consistent with seller-stated PU leather, not glove-tanned cowhide",
                    "lining_description": "not_visible",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "even machine stitching tone-matched around top edge, visible but no detail of stress points",
                    "strap_construction": "short single shoulder strap with adjustable stud closure, attached via gold-tone rectangular rings to small tabs",
                    "turnlock_present": false
                },
                "positive_evidence": [],
                "possible_model_reasoning": [
                    "No Coach model fits: crescent zip-top hobo in PU with modern thin strap and plated rings does not match City Bag, Willis, Court, Ergo or other catalog styles in silhouette, closure or materials",
                    "Era reasoning: PU material, plated hardware, crescent mini-hobo shape indicate modern fast-fashion, non-Coach, 2000s+",
                    "Condition: appears New\/unused in single stock-like photo with no wear visible, but only one exterior view so condition capped"
                ],
                "possible_models": [],
                "recommended_max_bid": 10,
                "seller_misidentification_probability": 0.02,
                "vintage_probability": 0.02
            }
        }
    ],
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 16825,
            "output_tokens": 577,
            "total_tokens": 17402,
            "estimated_cost_usd": 0.008115
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 17226,
            "output_tokens": 939,
            "total_tokens": 18165,
            "estimated_cost_usd": 0.004196
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}