Vintage Coach Hunter

{
    "is_handbag_probability": 0.985,
    "coach_probability": 0.025,
    "vintage_probability": 0.02,
    "authenticity_confidence": 0.025,
    "image_quality_score": 0.565,
    "seller_misidentification_probability": 0.055,
    "confidence": 0.66,
    "recommended_max_bid": 9,
    "estimated_resale_low": 7.5,
    "estimated_resale_high": 27.5,
    "possible_models": [],
    "positive_evidence": [
        "photo 1: clearly a handbag with a flap-style front and detachable chain strap."
    ],
    "negative_evidence": [
        "photo 1: white quilted exterior, mixed gold and silver chain hardware, and a large padlock-like clasp do not match documented vintage Coach classic construction.",
        "photo 1: no visible Coach wordmark, horse-and-carriage, creed patch, leather hangtag, or recognizable Coach hardware.",
        "photo 1: the bright mixed-metal chain and decorative lock strongly suggest a contemporary fashion or lookalike bag rather than vintage Coach.",
        "photo 1: white diamond-quilted body with padlock-and-hasp closure, not a vintage Coach glove-tanned classic silhouette",
        "photo 1: chain-and-leather interwoven crossbody strap with mixed gold\/silver tones, inconsistent with vintage Coach solid-brass hardware",
        "photo 1: no COACH wordmark, horse-and-carriage, creed patch, or leather hangtag visible",
        "photo 1: puffy quilted finish and modern padlock design points to modern fast-fashion, not 1970s-1990s unlined glove-tanned construction"
    ],
    "missing_information": [
        "photo 1: interior, lining, back, bottom, zipper or hardware stamps, and any sewn-in brand labels are not shown.",
        "A straight-on interior photo is needed to check for a creed patch or fabric brand label.",
        "Close-ups of the clasp, chain attachments, and any interior tags would help identify the actual maker.",
        "photo 1 only front view: no interior \/ creed patch view to verify identifiers",
        "no back, side, bottom, corner and hardware close-up views",
        "no hangtag, wordmark, or Made-in line visible to check",
        "no dimensions, lining, or material information in seller text"
    ],
    "authenticity_concerns": [
        "photo 1: the construction is inconsistent with the solid-brass, restrained hardware and glove-tanned leather expected of most vintage Coach classics.",
        "photo 1: mixed gold and silver-tone hardware is a concern for a purported vintage Coach bag."
    ],
    "possible_model_reasoning": [
        "photo 1: no Coach model is a reasonable match; the quilted chain-and-padlock design is a generic contemporary style.",
        "Condition cannot be fully graded because only one exterior photo is provided; visible exterior appears intact, but the interior, underside, corners, and strap condition are unknown.",
        "photo 1 silhouette is a modern white quilted flap crossbody with padlock, not matching any 1970s-1990s Coach catalog style (City, Willis, Court, Station, Dinky, etc.)",
        "no Coach hard identifiers visible; construction (quilted, chain strap, padlock) is modern non-Coach",
        "Condition: cannot grade reliably from single front view; exterior front looks clean but corners, bottom, interior and strap wear unknown"
    ],
    "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: decorative gold-tone padlock-style front clasp and intertwined gold\/silver-tone chain strap; individual engravings are not legible.",
        "leather_description": "photo 1: white quilted material; leather versus synthetic material is not determinable from this image.",
        "lining_description": "not_visible",
        "strap_construction": "photo 1: detachable chain strap interwoven with white material, with mixed gold and silver-tone links.",
        "stitching_description": "photo 1: perimeter stitching is visible but image resolution does not support a detailed quality assessment."
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.0004,
    "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": 0.58,
                "seller_misidentification_probability": 0.08,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [
                    "photo 1: clearly a handbag with a flap-style front and detachable chain strap."
                ],
                "negative_evidence": [
                    "photo 1: white quilted exterior, mixed gold and silver chain hardware, and a large padlock-like clasp do not match documented vintage Coach classic construction.",
                    "photo 1: no visible Coach wordmark, horse-and-carriage, creed patch, leather hangtag, or recognizable Coach hardware.",
                    "photo 1: the bright mixed-metal chain and decorative lock strongly suggest a contemporary fashion or lookalike bag rather than vintage Coach."
                ],
                "missing_information": [
                    "photo 1: interior, lining, back, bottom, zipper or hardware stamps, and any sewn-in brand labels are not shown.",
                    "A straight-on interior photo is needed to check for a creed patch or fabric brand label.",
                    "Close-ups of the clasp, chain attachments, and any interior tags would help identify the actual maker."
                ],
                "authenticity_concerns": [
                    "photo 1: the construction is inconsistent with the solid-brass, restrained hardware and glove-tanned leather expected of most vintage Coach classics.",
                    "photo 1: mixed gold and silver-tone hardware is a concern for a purported vintage Coach bag."
                ],
                "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": true,
                    "hangtag_present": false,
                    "hardware_description": "photo 1: decorative gold-tone padlock-style front clasp and intertwined gold\/silver-tone chain strap; individual engravings are not legible.",
                    "leather_description": "photo 1: white quilted material; leather versus synthetic material is not determinable from this image.",
                    "lining_description": "not_visible",
                    "strap_construction": "photo 1: detachable chain strap interwoven with white material, with mixed gold and silver-tone links.",
                    "stitching_description": "photo 1: perimeter stitching is visible but image resolution does not support a detailed quality assessment."
                },
                "possible_model_reasoning": [
                    "photo 1: no Coach model is a reasonable match; the quilted chain-and-padlock design is a generic contemporary style.",
                    "Condition cannot be fully graded because only one exterior photo is provided; visible exterior appears intact, but the interior, underside, corners, and strap condition are unknown."
                ],
                "confidence": 0.62,
                "recommended_max_bid": 8,
                "estimated_resale_low": 5,
                "estimated_resale_high": 25
            }
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "result": {
                "authenticity_concerns": [],
                "authenticity_confidence": 0.03,
                "coach_probability": 0.03,
                "confidence": 0.7,
                "estimated_era": "modern (2000s+), non-Coach",
                "estimated_resale_high": 30,
                "estimated_resale_low": 10,
                "image_quality_score": 0.55,
                "is_handbag_probability": 0.99,
                "missing_information": [
                    "photo 1 only front view: no interior \/ creed patch view to verify identifiers",
                    "no back, side, bottom, corner and hardware close-up views",
                    "no hangtag, wordmark, or Made-in line visible to check",
                    "no dimensions, lining, or material information in seller text"
                ],
                "negative_evidence": [
                    "photo 1: white diamond-quilted body with padlock-and-hasp closure, not a vintage Coach glove-tanned classic silhouette",
                    "photo 1: chain-and-leather interwoven crossbody strap with mixed gold\/silver tones, inconsistent with vintage Coach solid-brass hardware",
                    "photo 1: no COACH wordmark, horse-and-carriage, creed patch, or leather hangtag visible",
                    "photo 1: puffy quilted finish and modern padlock design points to modern fast-fashion, not 1970s-1990s unlined glove-tanned construction"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "photo 1: gold-tone padlock on front flap with hasp, gold-tone chain strap; mixed silver-tone appearance on part of chain likely lighting; no solid-brass vintage turnlock geometry visible",
                    "leather_description": "photo 1: white\/off-white quilted diamond-pattern material, puffy texture; leather vs synthetic not determinable from single front photo",
                    "lining_description": "not_visible",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "not_visible; quilted diamond stitching only, no edge stitch detail visible",
                    "strap_construction": "photo 1: detachable chain strap interwoven with white material with leather shoulder pad section",
                    "turnlock_present": false
                },
                "positive_evidence": [],
                "possible_model_reasoning": [
                    "photo 1 silhouette is a modern white quilted flap crossbody with padlock, not matching any 1970s-1990s Coach catalog style (City, Willis, Court, Station, Dinky, etc.)",
                    "no Coach hard identifiers visible; construction (quilted, chain strap, padlock) is modern non-Coach",
                    "Condition: cannot grade reliably from single front view; exterior front looks clean but corners, bottom, interior and strap wear unknown"
                ],
                "possible_models": [],
                "recommended_max_bid": 10,
                "seller_misidentification_probability": 0.03,
                "vintage_probability": 0.03
            }
        }
    ],
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 18096,
            "output_tokens": 577,
            "total_tokens": 18673,
            "estimated_cost_usd": 0.008623
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 18744,
            "output_tokens": 1141,
            "total_tokens": 19885,
            "estimated_cost_usd": 0.004662
        }
    ]
}