Vintage Coach Hunter

{
    "is_handbag_probability": 0.97,
    "coach_probability": 0.02,
    "vintage_probability": 0.045,
    "authenticity_confidence": 0.02,
    "image_quality_score": 0.715,
    "seller_misidentification_probability": 0.025,
    "confidence": 0.84,
    "recommended_max_bid": 9,
    "estimated_resale_low": 5,
    "estimated_resale_high": 25,
    "possible_models": [],
    "positive_evidence": [
        "photo 1: Clearly a handbag with a zip-top opening, shoulder straps, and exterior printed body.",
        "photo 4: Interior appears to have multiple zip compartments and a small sewn label, but the label is not legible."
    ],
    "negative_evidence": [
        "photo 1: Body appears to be printed textile or coated synthetic material with a pin-up and Dalmatian motif, not Coach glove-tanned leather or recognizable Coach signature canvas.",
        "photo 1: No visible Coach wordmark, horse-and-carriage emblem, creed patch, or leather hangtag.",
        "photo 2: Strap attachments and hardware are generic dark metal rather than characteristic vintage Coach brass turnlock or dogleash construction.",
        "photo 4: Interior is shiny red synthetic lining, inconsistent with classic unlined vintage Coach styles.",
        "photo 5: Close-up label does not visibly show COACH or a readable Coach creed.",
        "photo 1, photo 2, photo 3: red novelty pin-up \/ dalmatian print fabric body, never used by Coach in any era",
        "photo 5: shiny red polyester satin lining with zip pockets, inconsistent with vintage Coach unlined glove-tanned construction",
        "photo 1-3: thin black faux-leather straps and zip-top closure with silver-tone hardware, no solid brass, no turnlock, no dogleash clips",
        "photo 5, photo 6: no creed patch, no COACH wordmark, no horse-and-carriage visible; small black square tag is illegible and not a Coach creed",
        "photo 4: matching novelty-print phone case accessory, not a Coach format"
    ],
    "missing_information": [
        "Straight-on close-up of the interior label at higher resolution.",
        "Bottom, side, and full strap-detail photos.",
        "Any readable brand or material tag, including the reverse side of the interior label.",
        "No Coach identifiers visible; further Coach authentication photos would not change assessment",
        "Brand label close-up not shown, but interior label area shown with no Coach marking"
    ],
    "authenticity_concerns": [
        "The printed textile\/synthetic construction, shiny polyester-like lining, and generic hardware are inconsistent with the classic vintage Coach population.",
        "No Coach identifier is visible in the provided photos; the interior label appears generic or unreadable rather than a visible Coach creed."
    ],
    "possible_model_reasoning": [
        "No Coach model is appropriate because the bag lacks Coach identifiers and its synthetic printed construction is unlike the listed vintage Coach classic styles.",
        "Seller title describes a Y2K\/pin-up printed purse, which is consistent with the visible design but is only weak seller-provided evidence.",
        "Condition appears Good to Very Good from the visible photos: the bag is intact with visible wear\/creasing and no clearly shown major tears; interior and bottom condition are incompletely documented.",
        "No Coach model fits: novelty print fabric, zip-top tote silhouette, polyester lining and non-brass hardware are inconsistent with all Coach catalog styles",
        "Condition appears Good to Very Good from photos but irrelevant to Coach value as item is not Coach"
    ],
    "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": "Dark metal zipper hardware, strap clips, and buckles are visible; no Coach engraving is legible.",
        "leather_description": "Appears to be printed textile or coated synthetic material rather than visible glove-tanned leather.",
        "lining_description": "Shiny red synthetic-looking lining with multiple zippered compartments.",
        "strap_construction": "Two long dark straps attached with metal hardware; adjustable strap\/buckle details are visible in photos 2 and 3.",
        "stitching_description": "Visible contrast stitching around the exterior panels and strap attachments; generally even, but not specifically Coach-identifying."
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.0007,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.99,
                "coach_probability": 0.02,
                "vintage_probability": 0.04,
                "authenticity_confidence": 0.02,
                "image_quality_score": 0.78,
                "seller_misidentification_probability": 0.03,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [
                    "photo 1: Clearly a handbag with a zip-top opening, shoulder straps, and exterior printed body.",
                    "photo 4: Interior appears to have multiple zip compartments and a small sewn label, but the label is not legible."
                ],
                "negative_evidence": [
                    "photo 1: Body appears to be printed textile or coated synthetic material with a pin-up and Dalmatian motif, not Coach glove-tanned leather or recognizable Coach signature canvas.",
                    "photo 1: No visible Coach wordmark, horse-and-carriage emblem, creed patch, or leather hangtag.",
                    "photo 2: Strap attachments and hardware are generic dark metal rather than characteristic vintage Coach brass turnlock or dogleash construction.",
                    "photo 4: Interior is shiny red synthetic lining, inconsistent with classic unlined vintage Coach styles.",
                    "photo 5: Close-up label does not visibly show COACH or a readable Coach creed."
                ],
                "missing_information": [
                    "Straight-on close-up of the interior label at higher resolution.",
                    "Bottom, side, and full strap-detail photos.",
                    "Any readable brand or material tag, including the reverse side of the interior label."
                ],
                "authenticity_concerns": [
                    "The printed textile\/synthetic construction, shiny polyester-like lining, and generic hardware are inconsistent with the classic vintage Coach population.",
                    "No Coach identifier is visible in the provided photos; the interior label appears generic or unreadable rather than a visible Coach creed."
                ],
                "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": "Dark metal zipper hardware, strap clips, and buckles are visible; no Coach engraving is legible.",
                    "leather_description": "Appears to be printed textile or coated synthetic material rather than visible glove-tanned leather.",
                    "lining_description": "Shiny red synthetic-looking lining with multiple zippered compartments.",
                    "strap_construction": "Two long dark straps attached with metal hardware; adjustable strap\/buckle details are visible in photos 2 and 3.",
                    "stitching_description": "Visible contrast stitching around the exterior panels and strap attachments; generally even, but not specifically Coach-identifying."
                },
                "possible_model_reasoning": [
                    "No Coach model is appropriate because the bag lacks Coach identifiers and its synthetic printed construction is unlike the listed vintage Coach classic styles.",
                    "Seller title describes a Y2K\/pin-up printed purse, which is consistent with the visible design but is only weak seller-provided evidence.",
                    "Condition appears Good to Very Good from the visible photos: the bag is intact with visible wear\/creasing and no clearly shown major tears; interior and bottom condition are incompletely documented."
                ],
                "confidence": 0.83,
                "recommended_max_bid": 8,
                "estimated_resale_low": 5,
                "estimated_resale_high": 30
            }
        },
        {
            "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": 20,
                "estimated_resale_low": 5,
                "image_quality_score": 0.65,
                "is_handbag_probability": 0.95,
                "missing_information": [
                    "No Coach identifiers visible; further Coach authentication photos would not change assessment",
                    "Brand label close-up not shown, but interior label area shown with no Coach marking"
                ],
                "negative_evidence": [
                    "photo 1, photo 2, photo 3: red novelty pin-up \/ dalmatian print fabric body, never used by Coach in any era",
                    "photo 5: shiny red polyester satin lining with zip pockets, inconsistent with vintage Coach unlined glove-tanned construction",
                    "photo 1-3: thin black faux-leather straps and zip-top closure with silver-tone hardware, no solid brass, no turnlock, no dogleash clips",
                    "photo 5, photo 6: no creed patch, no COACH wordmark, no horse-and-carriage visible; small black square tag is illegible and not a Coach creed",
                    "photo 4: matching novelty-print phone case accessory, not a Coach format"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "silver-tone zipper and strap rivets; no turnlock, no solid brass, no engraved Coach marks visible",
                    "leather_description": "no leather visible; red printed textile \/ synthetic canvas with pin-up and floral print",
                    "lining_description": "red satin-like polyester lining with zip compartments visible in photo 5",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "white contrast topstitching around edges and on phone case visible in photo 4; machine stitching, not Coach-matched thread",
                    "strap_construction": "two thin black faux-leather shoulder straps attached with metal rivets",
                    "turnlock_present": false
                },
                "positive_evidence": [],
                "possible_model_reasoning": [
                    "No Coach model fits: novelty print fabric, zip-top tote silhouette, polyester lining and non-brass hardware are inconsistent with all Coach catalog styles",
                    "Condition appears Good to Very Good from photos but irrelevant to Coach value as item is not Coach"
                ],
                "possible_models": [],
                "recommended_max_bid": 10,
                "seller_misidentification_probability": 0.02,
                "vintage_probability": 0.05
            }
        }
    ],
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 23742,
            "output_tokens": 745,
            "total_tokens": 24487,
            "estimated_cost_usd": 0.011285
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 24785,
            "output_tokens": 1277,
            "total_tokens": 26062,
            "estimated_cost_usd": 0.005979
        }
    ]
}