Vintage Coach Hunter

{
    "is_handbag_probability": 0.99,
    "coach_probability": 0.02,
    "vintage_probability": 0.02,
    "authenticity_confidence": 0.025,
    "image_quality_score": 0.87,
    "seller_misidentification_probability": 0.025,
    "confidence": 0.93,
    "recommended_max_bid": 9,
    "estimated_resale_low": 5,
    "estimated_resale_high": 22.5,
    "possible_models": [],
    "positive_evidence": [
        "photo 1: Clearly a handbag with an adjustable shoulder strap and multiple compartments."
    ],
    "negative_evidence": [
        "photo 1: Exterior has a smooth, synthetic-looking finish rather than visible glove-tanned leather.",
        "photos 3-5: Interior is fully lined with a repeating geometric polyester-like fabric, inconsistent with classic vintage Coach unlined glove-tanned construction.",
        "photo 6: Fabric label explicitly states shell 100% PVC and lining 100% polyester, made in China.",
        "photos 1-5: No visible Coach wordmark, horse-and-carriage, creed patch, hangtag, or recognizable Coach hardware.",
        "photos 1-5: Decorative central strap and ring closure do not resemble a vintage Coach turnlock.",
        "photo 6: fabric content tag reads SHELL: 100% PVC LINING: 100% POLYESTER HECHO EN CHINA",
        "photo 1-2: grey faux-leather with pebbled PVC texture, not glove-tanned cowhide",
        "photo 3-5: black-white herringbone printed polyester lining throughout",
        "photo 2: exterior pocket with gold-tone magnetic snap, no turnlock present",
        "photo 1-5: no creed patch, no COACH wordmark, no horse-and-carriage, no leather hangtag visible"
    ],
    "missing_information": [
        "No bottom or full exterior side views.",
        "No close-up of zipper pulls or all hardware markings, although no Coach markings are visible in the supplied photos.",
        "Seller-stated dimensions are not provided."
    ],
    "authenticity_concerns": [
        "photo 6: PVC shell and polyester lining are strong non-Coach indicators for a purported vintage Coach bag.",
        "photo 6: Made in China labeling and modern synthetic construction are inconsistent with classic vintage Coach styles.",
        "photos 1-6: No Coach identifier is visible; the bag appears to be a generic modern synthetic handbag rather than a replica with a transplanted Coach identifier.",
        "photo 6: content tag states SHELL 100% PVC LINING 100% POLYESTER MADE IN CHINA - synthetic construction incompatible with vintage Coach glove-tanned leather",
        "photo 2-3: magnetic snap and plated zipper hardware, not solid brass vintage Coach hardware",
        "photo 3-5: printed herringbone polyester lining, not unlined suede or Coach lining"
    ],
    "possible_model_reasoning": [
        "The silhouette is a generic modern shoulder bag and does not closely establish a Coach catalog model.",
        "photo 6 identifies PVC and polyester materials, ruling against classic glove-tanned vintage Coach construction.",
        "Condition: Like New\/NWOT based on the seller description and clean, unused-looking photos; photo coverage does not show the bottom or all exterior surfaces.",
        "No Coach model fits: PVC shell, polyester lining, magnetic snap and zip-top hobo silhouette with no Coach identifiers excludes all catalog styles",
        "Era reasoning: synthetic content tag Made in China plus modern fast-fashion construction = modern non-Coach",
        "Condition: Like New \/ NWOT per seller and clean appearance in photos 1-5, consistent with NWOT claim"
    ],
    "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 1-5: Gold-tone rings, zipper hardware, snap, and decorative strap hardware; no Coach engraving visible. The central closure is not a vintage-style turnlock.",
        "leather_description": "photos 1-2: Smooth gray synthetic-looking material. photo 6: Label identifies the shell as 100% PVC.",
        "lining_description": "photos 3-5: Repeating black-and-white geometric textile lining with multiple interior pockets. photo 6: Label identifies lining as 100% polyester.",
        "strap_construction": "photos 1-2: Adjustable shoulder strap attached with gold-tone rings and clips; synthetic-looking strap material.",
        "stitching_description": "photos 1-5: Visible machine stitching appears generally even; construction is modern and synthetic-looking."
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.0008,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.99,
                "coach_probability": 0.02,
                "vintage_probability": 0.02,
                "authenticity_confidence": 0.03,
                "image_quality_score": 0.94,
                "seller_misidentification_probability": 0.03,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [
                    "photo 1: Clearly a handbag with an adjustable shoulder strap and multiple compartments."
                ],
                "negative_evidence": [
                    "photo 1: Exterior has a smooth, synthetic-looking finish rather than visible glove-tanned leather.",
                    "photos 3-5: Interior is fully lined with a repeating geometric polyester-like fabric, inconsistent with classic vintage Coach unlined glove-tanned construction.",
                    "photo 6: Fabric label explicitly states shell 100% PVC and lining 100% polyester, made in China.",
                    "photos 1-5: No visible Coach wordmark, horse-and-carriage, creed patch, hangtag, or recognizable Coach hardware.",
                    "photos 1-5: Decorative central strap and ring closure do not resemble a vintage Coach turnlock."
                ],
                "missing_information": [
                    "No bottom or full exterior side views.",
                    "No close-up of zipper pulls or all hardware markings, although no Coach markings are visible in the supplied photos.",
                    "Seller-stated dimensions are not provided."
                ],
                "authenticity_concerns": [
                    "photo 6: PVC shell and polyester lining are strong non-Coach indicators for a purported vintage Coach bag.",
                    "photo 6: Made in China labeling and modern synthetic construction are inconsistent with classic vintage Coach styles.",
                    "photos 1-6: No Coach identifier is visible; the bag appears to be a generic modern synthetic handbag rather than a replica with a transplanted Coach identifier."
                ],
                "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 1-5: Gold-tone rings, zipper hardware, snap, and decorative strap hardware; no Coach engraving visible. The central closure is not a vintage-style turnlock.",
                    "leather_description": "photos 1-2: Smooth gray synthetic-looking material. photo 6: Label identifies the shell as 100% PVC.",
                    "lining_description": "photos 3-5: Repeating black-and-white geometric textile lining with multiple interior pockets. photo 6: Label identifies lining as 100% polyester.",
                    "strap_construction": "photos 1-2: Adjustable shoulder strap attached with gold-tone rings and clips; synthetic-looking strap material.",
                    "stitching_description": "photos 1-5: Visible machine stitching appears generally even; construction is modern and synthetic-looking."
                },
                "possible_model_reasoning": [
                    "The silhouette is a generic modern shoulder bag and does not closely establish a Coach catalog model.",
                    "photo 6 identifies PVC and polyester materials, ruling against classic glove-tanned vintage Coach construction.",
                    "Condition: Like New\/NWOT based on the seller description and clean, unused-looking photos; photo coverage does not show the bottom or all exterior surfaces."
                ],
                "confidence": 0.96,
                "recommended_max_bid": 8,
                "estimated_resale_low": 5,
                "estimated_resale_high": 25
            }
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "result": {
                "authenticity_concerns": [
                    "photo 6: content tag states SHELL 100% PVC LINING 100% POLYESTER MADE IN CHINA - synthetic construction incompatible with vintage Coach glove-tanned leather",
                    "photo 2-3: magnetic snap and plated zipper hardware, not solid brass vintage Coach hardware",
                    "photo 3-5: printed herringbone polyester lining, not unlined suede or Coach lining"
                ],
                "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": 0.8,
                "is_handbag_probability": 0.99,
                "missing_information": [],
                "negative_evidence": [
                    "photo 6: fabric content tag reads SHELL: 100% PVC LINING: 100% POLYESTER HECHO EN CHINA",
                    "photo 1-2: grey faux-leather with pebbled PVC texture, not glove-tanned cowhide",
                    "photo 3-5: black-white herringbone printed polyester lining throughout",
                    "photo 2: exterior pocket with gold-tone magnetic snap, no turnlock present",
                    "photo 1-5: no creed patch, no COACH wordmark, no horse-and-carriage, no leather hangtag visible"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "gold\/brass-tone plated magnetic snap on exterior pocket (photo 2), metal zipper with rectangular pull (photo 3), lobster-claw strap clips",
                    "leather_description": "grey faux-leather, PVC shell per content tag, pebbled texture with sheen (photo 1-2)",
                    "lining_description": "black and white herringbone-pattern printed polyester (photo 3-5)",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "straight machine stitching in matched grey thread along seams (photo 2-3)",
                    "strap_construction": "thin adjustable detachable shoulder strap with lobster-claw clips (photo 1, photo 3)",
                    "turnlock_present": false
                },
                "positive_evidence": [],
                "possible_model_reasoning": [
                    "No Coach model fits: PVC shell, polyester lining, magnetic snap and zip-top hobo silhouette with no Coach identifiers excludes all catalog styles",
                    "Era reasoning: synthetic content tag Made in China plus modern fast-fashion construction = modern non-Coach",
                    "Condition: Like New \/ NWOT per seller and clean appearance in photos 1-5, consistent with NWOT claim"
                ],
                "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": 18089,
            "output_tokens": 798,
            "total_tokens": 18887,
            "estimated_cost_usd": 0.009151
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 18639,
            "output_tokens": 1236,
            "total_tokens": 19875,
            "estimated_cost_usd": 0.004717
        }
    ]
}