Vintage Coach Hunter

{
    "is_handbag_probability": 0.985,
    "coach_probability": 0.025,
    "vintage_probability": 0.02,
    "authenticity_confidence": 0.02,
    "image_quality_score": 0.535,
    "seller_misidentification_probability": 0.05,
    "confidence": 0.765,
    "recommended_max_bid": 8,
    "estimated_resale_low": 5,
    "estimated_resale_high": 25,
    "possible_models": [],
    "positive_evidence": [],
    "negative_evidence": [
        "photo 1: The bag has a generic multi-zippered hobo\/crossbody design with no visible Coach wordmark, carriage, creed patch, hangtag, or distinctive Coach hardware.",
        "photo 1: The smooth, glossy-looking brown material and lightweight-looking plated hardware are more consistent with a modern generic fashion bag than vintage Coach glove-tanned leather and solid brass construction.",
        "photo 1: The listing's 2026 retro wording and stock-style isolated product image support a modern mass-market item rather than a documented vintage Coach bag.",
        "photo 1: no creed patch, COACH wordmark, horse-and-carriage, or hangtag visible",
        "photo 1: no turnlock; closure is zip-top with two exterior front zip pockets, not a Coach classic flap-turnlock silhouette",
        "photo 1: modern multi-pocket crossbody design with thin adjustable strap and vertical panel stitching, not matching any vintage Coach catalog style",
        "photo 1: smooth high-sheen soft brown leather with draped finish suggestive of modern synthetic\/fast-fashion, not matte glove-tanned cowhide",
        "photo 1: dark-tone zipper hardware, not solid brass vintage hardware"
    ],
    "missing_information": [
        "photo 1: Interior, lining, interior labels, creed area, and any fabric tags are not shown.",
        "photo 1: Zipper pulls, hardware backs, strap attachments, bottom, corners, and stitching are not shown close enough for detailed inspection.",
        "photo 1: Material cannot be confirmed as leather from the single exterior image; request a close-up of an unfinished edge or material label.",
        "photo 1 only front view: no interior, creed patch, back, bottom, side views shown",
        "creed close-up in raking light needed to verify any brand stamp",
        "hardware close-ups (zipper pull brand, strap clips) not shown",
        "hangtag both faces not shown",
        "lining material and construction not shown",
        "seller-stated dimensions and materials not provided"
    ],
    "authenticity_concerns": [
        "photo 1: No Coach identifiers are visible, and the silhouette is a common generic multi-pocket bag; it should not be treated as Coach based on appearance alone.",
        "photo 1: The material appearance and hardware do not visibly match the strongest indicators of a vintage Coach classic."
    ],
    "possible_model_reasoning": [
        "The slouching body, curved top opening, long strap, and multiple exterior zippers are generic contemporary features and do not closely establish a Coach catalog model.",
        "No visible identifier supports a Coach model or a pre-2000 date. Condition appears approximately Very Good from the single clean exterior image, but interior, bottom, corners, odor, and strap wear are unknown.",
        "photo 1 silhouette does not match any Coach classic (City Bag, Willis, Court, Station, Dinky, etc.) - triple-zip multi-pocket front is modern fast-fashion, not Coach",
        "no Coach hard identifiers (creed, wordmark, hangtag, brass turnlock) visible to support model match",
        "Condition: appears new\/stock photo in photo 1, but single front view only so no grade can be assigned"
    ],
    "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: Multiple small metal zipper pulls and strap rings are visible; finish appears dark or brown-toned, but construction and quality are not assessable.",
        "leather_description": "photo 1: Brown, smooth and somewhat glossy material with visible creasing; leather versus synthetic material is not determinable from this photo.",
        "lining_description": "not_visible",
        "strap_construction": "photo 1: Long adjustable shoulder\/crossbody strap attached at two side rings; strap appears narrow and layered or folded, with a small adjustment buckle.",
        "stitching_description": "photo 1: Exterior has visible parallel and vertical seams; stitching appears generally regular, but close-up quality is insufficient for authentication."
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.0022,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.98,
                "coach_probability": 0.03,
                "vintage_probability": 0.02,
                "authenticity_confidence": 0.02,
                "image_quality_score": 0.62,
                "seller_misidentification_probability": 0.08,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [],
                "negative_evidence": [
                    "photo 1: The bag has a generic multi-zippered hobo\/crossbody design with no visible Coach wordmark, carriage, creed patch, hangtag, or distinctive Coach hardware.",
                    "photo 1: The smooth, glossy-looking brown material and lightweight-looking plated hardware are more consistent with a modern generic fashion bag than vintage Coach glove-tanned leather and solid brass construction.",
                    "photo 1: The listing's 2026 retro wording and stock-style isolated product image support a modern mass-market item rather than a documented vintage Coach bag."
                ],
                "missing_information": [
                    "photo 1: Interior, lining, interior labels, creed area, and any fabric tags are not shown.",
                    "photo 1: Zipper pulls, hardware backs, strap attachments, bottom, corners, and stitching are not shown close enough for detailed inspection.",
                    "photo 1: Material cannot be confirmed as leather from the single exterior image; request a close-up of an unfinished edge or material label."
                ],
                "authenticity_concerns": [
                    "photo 1: No Coach identifiers are visible, and the silhouette is a common generic multi-pocket bag; it should not be treated as Coach based on appearance alone.",
                    "photo 1: The material appearance and hardware do not visibly match the strongest indicators of a vintage Coach classic."
                ],
                "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: Multiple small metal zipper pulls and strap rings are visible; finish appears dark or brown-toned, but construction and quality are not assessable.",
                    "leather_description": "photo 1: Brown, smooth and somewhat glossy material with visible creasing; leather versus synthetic material is not determinable from this photo.",
                    "lining_description": "not_visible",
                    "strap_construction": "photo 1: Long adjustable shoulder\/crossbody strap attached at two side rings; strap appears narrow and layered or folded, with a small adjustment buckle.",
                    "stitching_description": "photo 1: Exterior has visible parallel and vertical seams; stitching appears generally regular, but close-up quality is insufficient for authentication."
                },
                "possible_model_reasoning": [
                    "The slouching body, curved top opening, long strap, and multiple exterior zippers are generic contemporary features and do not closely establish a Coach catalog model.",
                    "No visible identifier supports a Coach model or a pre-2000 date. Condition appears approximately Very Good from the single clean exterior image, but interior, bottom, corners, odor, and strap wear are unknown."
                ],
                "confidence": 0.68,
                "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": 0.45,
                "is_handbag_probability": 0.99,
                "missing_information": [
                    "photo 1 only front view: no interior, creed patch, back, bottom, side views shown",
                    "creed close-up in raking light needed to verify any brand stamp",
                    "hardware close-ups (zipper pull brand, strap clips) not shown",
                    "hangtag both faces not shown",
                    "lining material and construction not shown",
                    "seller-stated dimensions and materials not provided"
                ],
                "negative_evidence": [
                    "photo 1: no creed patch, COACH wordmark, horse-and-carriage, or hangtag visible",
                    "photo 1: no turnlock; closure is zip-top with two exterior front zip pockets, not a Coach classic flap-turnlock silhouette",
                    "photo 1: modern multi-pocket crossbody design with thin adjustable strap and vertical panel stitching, not matching any vintage Coach catalog style",
                    "photo 1: smooth high-sheen soft brown leather with draped finish suggestive of modern synthetic\/fast-fashion, not matte glove-tanned cowhide",
                    "photo 1: dark-tone zipper hardware, not solid brass vintage hardware"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "dark-tone zippers with small leather pull tabs visible in photo 1; no solid brass turnlock, buckle, or dogleash clips visible",
                    "leather_description": "photo 1: smooth tan-brown soft leather with sheen and draped folds; grain not consistent with vintage glove-tanned cowhide, appears modern synthetic",
                    "lining_description": "not_visible",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "photo 1: vertical panel stitching on front body and top edge stitching; even but modern construction, no detailed stress-point view",
                    "strap_construction": "photo 1: thin adjustable crossbody shoulder strap with slide buckle, attached with small metal rings",
                    "turnlock_present": false
                },
                "positive_evidence": [],
                "possible_model_reasoning": [
                    "photo 1 silhouette does not match any Coach classic (City Bag, Willis, Court, Station, Dinky, etc.) - triple-zip multi-pocket front is modern fast-fashion, not Coach",
                    "no Coach hard identifiers (creed, wordmark, hangtag, brass turnlock) visible to support model match",
                    "Condition: appears new\/stock photo in photo 1, but single front view only so no grade can be assigned"
                ],
                "possible_models": [],
                "recommended_max_bid": 8,
                "seller_misidentification_probability": 0.02,
                "vintage_probability": 0.02
            }
        }
    ],
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 15845,
            "output_tokens": 721,
            "total_tokens": 16566,
            "estimated_cost_usd": 0.008068
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 16162,
            "output_tokens": 1359,
            "total_tokens": 17521,
            "estimated_cost_usd": 0.00432
        }
    ]
}