Vintage Coach Hunter

{
    "is_handbag_probability": 0.99,
    "coach_probability": 0.025,
    "vintage_probability": 0.025,
    "authenticity_confidence": 0.02,
    "image_quality_score": 0.56,
    "seller_misidentification_probability": 0.07,
    "confidence": 0.815,
    "recommended_max_bid": 9,
    "estimated_resale_low": 5,
    "estimated_resale_high": 25,
    "possible_models": [],
    "positive_evidence": [
        "photo 1: clearly a small structured crossbody handbag with a detachable-looking chain strap.",
        "photo 1: the bag is black with gold-tone hardware, but no Coach-specific identifier is visible."
    ],
    "negative_evidence": [
        "photo 1: chevron quilting, chain strap, and horizontal zip pocket are generic contemporary fashion-bag features rather than a recognizable vintage Coach construction.",
        "photo 1: the zipper pull appears to carry non-Coach decorative lettering or a motif, not a legible Coach wordmark or horse-and-carriage.",
        "photo 1: the hardware is bright gold-tone and the bag appears padded\/quilted, unlike classic vintage Coach glove-tanned leather bags with solid brass turnlocks.",
        "photo 1: no Coach creed, serial\/style number, hangtag, or wordmark is visible.",
        "photo 1: the image has a clean product-photo appearance and does not show the interior or construction details needed to support a Coach attribution.",
        "photo 1: black chevron-quilted flap bag with bright gold-tone chain strap - not vintage Coach glove-tanned construction",
        "photo 1: bright plated gold-tone hardware and chain, not solid brass vintage hardware",
        "photo 1: circular zip-pull charm with V-like logo, not COACH wordmark or horse-and-carriage",
        "photo 1: no turnlock, no leather hangtag, no creed patch visible",
        "photo 1: smooth uniform quilted surface reads as synthetic \/ PU, not full-grain glove-tanned cowhide"
    ],
    "missing_information": [
        "Interior back wall and pockets, especially any creed patch or fabric tag.",
        "Close-up of the zipper pull and all hardware for markings.",
        "Bottom, side, strap attachments, and stitching close-ups.",
        "Material composition and country-of-origin label.",
        "interior views including creed patch area and lining not shown",
        "front \/ flap \/ closure view not shown - only one exterior back view provided twice",
        "bottom, sides, corners and scale not shown",
        "hangtag both faces and hardware engravings not shown",
        "strap full length, attachments and material composition not shown"
    ],
    "authenticity_concerns": [
        "photo 1: the overall design is a generic modern quilted chain bag, with no visible Coach identifiers; it should not be treated as vintage Coach.",
        "photo 1: bright plated-looking hardware and decorative zipper hardware are inconsistent with a typical vintage Coach classic, though the interior and material cannot be verified."
    ],
    "possible_model_reasoning": [
        "photo 1: silhouette does not closely match the listed vintage Coach catalog models; it lacks the classic flap-and-turnlock, unlined glove-tanned construction, or recognizable Coach hardware.",
        "photo 1: no readable identifier permits dating or model decoding.",
        "Condition: apparent Like New based on the clean product image, but actual wear, interior condition, odor, and material quality are unknown.",
        "No Coach identifier visible in either duplicate photo: no creed, no COACH wordmark, no hangtag, no turnlock",
        "Silhouette is modern quilted chain-strap crossbody with exterior zip pocket, not matching any classic glove-tanned catalog style like Willis 9927, Court 9870, Dinky 9375",
        "Materials and hardware - quilted synthetic-like body plus bright gold chain - point to modern fast-fashion, non-Coach",
        "Condition: appears New \/ Like New in stock-style white-background photo, but only one 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 chain strap, chain attachment rings, zipper teeth, and a round decorative zipper pull; no legible Coach engraving visible.",
        "leather_description": "photo 1: black padded or quilted material with a smooth sheen; genuine leather versus synthetic material cannot be determined from the photo.",
        "lining_description": "not_visible",
        "strap_construction": "photo 1: gold-tone chain shoulder\/crossbody strap attached at upper side rings; a separate strap is not clearly visible despite the title.",
        "stitching_description": "photo 1: visible perimeter and quilting stitches appear generally even; close construction details are limited."
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.0011,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.99,
                "coach_probability": 0.03,
                "vintage_probability": 0.02,
                "authenticity_confidence": 0.02,
                "image_quality_score": 0.62,
                "seller_misidentification_probability": 0.12,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [
                    "photo 1: clearly a small structured crossbody handbag with a detachable-looking chain strap.",
                    "photo 1: the bag is black with gold-tone hardware, but no Coach-specific identifier is visible."
                ],
                "negative_evidence": [
                    "photo 1: chevron quilting, chain strap, and horizontal zip pocket are generic contemporary fashion-bag features rather than a recognizable vintage Coach construction.",
                    "photo 1: the zipper pull appears to carry non-Coach decorative lettering or a motif, not a legible Coach wordmark or horse-and-carriage.",
                    "photo 1: the hardware is bright gold-tone and the bag appears padded\/quilted, unlike classic vintage Coach glove-tanned leather bags with solid brass turnlocks.",
                    "photo 1: no Coach creed, serial\/style number, hangtag, or wordmark is visible.",
                    "photo 1: the image has a clean product-photo appearance and does not show the interior or construction details needed to support a Coach attribution."
                ],
                "missing_information": [
                    "Interior back wall and pockets, especially any creed patch or fabric tag.",
                    "Close-up of the zipper pull and all hardware for markings.",
                    "Bottom, side, strap attachments, and stitching close-ups.",
                    "Material composition and country-of-origin label."
                ],
                "authenticity_concerns": [
                    "photo 1: the overall design is a generic modern quilted chain bag, with no visible Coach identifiers; it should not be treated as vintage Coach.",
                    "photo 1: bright plated-looking hardware and decorative zipper hardware are inconsistent with a typical vintage Coach classic, though the interior and material cannot be verified."
                ],
                "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 chain strap, chain attachment rings, zipper teeth, and a round decorative zipper pull; no legible Coach engraving visible.",
                    "leather_description": "photo 1: black padded or quilted material with a smooth sheen; genuine leather versus synthetic material cannot be determined from the photo.",
                    "lining_description": "not_visible",
                    "strap_construction": "photo 1: gold-tone chain shoulder\/crossbody strap attached at upper side rings; a separate strap is not clearly visible despite the title.",
                    "stitching_description": "photo 1: visible perimeter and quilting stitches appear generally even; close construction details are limited."
                },
                "possible_model_reasoning": [
                    "photo 1: silhouette does not closely match the listed vintage Coach catalog models; it lacks the classic flap-and-turnlock, unlined glove-tanned construction, or recognizable Coach hardware.",
                    "photo 1: no readable identifier permits dating or model decoding.",
                    "Condition: apparent Like New based on the clean product image, but actual wear, interior condition, odor, and material quality are unknown."
                ],
                "confidence": 0.78,
                "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": 0.02,
                "coach_probability": 0.02,
                "confidence": 0.85,
                "estimated_era": "modern (2000s+), non-Coach",
                "estimated_resale_high": 25,
                "estimated_resale_low": 5,
                "image_quality_score": 0.5,
                "is_handbag_probability": 0.99,
                "missing_information": [
                    "interior views including creed patch area and lining not shown",
                    "front \/ flap \/ closure view not shown - only one exterior back view provided twice",
                    "bottom, sides, corners and scale not shown",
                    "hangtag both faces and hardware engravings not shown",
                    "strap full length, attachments and material composition not shown"
                ],
                "negative_evidence": [
                    "photo 1: black chevron-quilted flap bag with bright gold-tone chain strap - not vintage Coach glove-tanned construction",
                    "photo 1: bright plated gold-tone hardware and chain, not solid brass vintage hardware",
                    "photo 1: circular zip-pull charm with V-like logo, not COACH wordmark or horse-and-carriage",
                    "photo 1: no turnlock, no leather hangtag, no creed patch visible",
                    "photo 1: smooth uniform quilted surface reads as synthetic \/ PU, not full-grain glove-tanned cowhide"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "bright gold-tone chain crossbody strap and gold-tone zipper with round logo charm; plated appearance, not solid brass",
                    "leather_description": "black chevron-quilted smooth material with uniform sheen, appears synthetic \/ faux leather, not glove-tanned cowhide",
                    "lining_description": "not_visible",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "chevron quilting stitches and perimeter stitch around zip pocket, even machine stitching",
                    "strap_construction": "gold-tone curb chain crossbody strap, detachable per title but attachments not shown",
                    "turnlock_present": false
                },
                "positive_evidence": [],
                "possible_model_reasoning": [
                    "No Coach identifier visible in either duplicate photo: no creed, no COACH wordmark, no hangtag, no turnlock",
                    "Silhouette is modern quilted chain-strap crossbody with exterior zip pocket, not matching any classic glove-tanned catalog style like Willis 9927, Court 9870, Dinky 9375",
                    "Materials and hardware - quilted synthetic-like body plus bright gold chain - point to modern fast-fashion, non-Coach",
                    "Condition: appears New \/ Like New in stock-style white-background photo, but only one view so condition capped"
                ],
                "possible_models": [],
                "recommended_max_bid": 10,
                "seller_misidentification_probability": 0.02,
                "vintage_probability": 0.03
            }
        }
    ],
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 18047,
            "output_tokens": 787,
            "total_tokens": 18834,
            "estimated_cost_usd": 0.009108
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 18670,
            "output_tokens": 1343,
            "total_tokens": 20013,
            "estimated_cost_usd": 0.004808
        }
    ]
}