Vintage Coach Hunter

{
    "is_handbag_probability": 0.965,
    "coach_probability": 0.015,
    "vintage_probability": 0.025,
    "authenticity_confidence": 0.015,
    "image_quality_score": 0.665,
    "seller_misidentification_probability": 0.05,
    "confidence": 0.905,
    "recommended_max_bid": 8,
    "estimated_resale_low": 5,
    "estimated_resale_high": 22.5,
    "possible_models": [],
    "positive_evidence": [],
    "negative_evidence": [
        "photo 1: bag is visibly constructed from yellow and white crochet yarn, not Coach glove-tanned leather, coated canvas, or a documented Coach material.",
        "photo 1: no Coach wordmark, horse-and-carriage mark, creed patch, serial\/style number, or recognizable Coach hardware is visible.",
        "photo 2: reverse view shows a simple handmade crochet construction and textile strap with no Coach identifiers.",
        "photo 1: entire bag is yellow\/white crocheted yarn, not glove-tanned leather",
        "photo 1: no solid brass hardware, no turnlock, no zipper, no hangtag visible",
        "photo 1 and photo 2: no creed patch, no COACH wordmark, no horse-and-carriage visible",
        "photo 2: crochet\/macrame construction is an explicit non-Coach material per triage"
    ],
    "missing_information": [
        "photo 1: interior, closure, and any sewn-in maker label are not shown.",
        "photo 1: dimensions and material composition are not provided.",
        "No interior, bottom, hardware close-up or scale views, but no Coach identifiers to pursue - additional photos would not change non-Coach determination"
    ],
    "authenticity_concerns": [
        "photo 1: crochet construction is inconsistent with the vintage Coach leather handbag population.",
        "photo 1: no Coach identifiers are visible; this appears to be an unbranded or handmade crochet bag rather than a Coach product."
    ],
    "possible_model_reasoning": [
        "photo 1: triangular\/slouchy crochet shoulder-bag silhouette does not correspond to a recognizable Coach catalog model.",
        "photo 2: matching reverse view confirms a simple crochet textile construction rather than a vintage leather Coach design.",
        "Condition: Very Good based on the visible intact crochet and strap; interior, seams, odor, and hidden wear are not shown.",
        "Condition: Good to Very Good handmade appearance with no visible damage in photo 1-2, but condition grading for leather does not apply",
        "Silhouette is a soft crochet hobo\/tote with no catalog match to any vintage Coach leather style",
        "Materials (crochet yarn) and lack of any hard identifiers rule out Coach manufacture"
    ],
    "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: no metal hardware, turnlock, zipper, or hangtag is visible.",
        "leather_description": "photo 1: no leather is visible; body and strap appear to be yellow and white crochet yarn or textile.",
        "lining_description": "not_visible",
        "strap_construction": "photo 1: long, narrow yellow crochet\/textile shoulder strap integrated into the bag body.",
        "stitching_description": "photo 1: visible construction consists of crochet stitches; conventional handbag stitching is not visible."
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.0021,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.98,
                "coach_probability": 0.01,
                "vintage_probability": 0.02,
                "authenticity_confidence": 0.01,
                "image_quality_score": 0.78,
                "seller_misidentification_probability": 0.08,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [],
                "negative_evidence": [
                    "photo 1: bag is visibly constructed from yellow and white crochet yarn, not Coach glove-tanned leather, coated canvas, or a documented Coach material.",
                    "photo 1: no Coach wordmark, horse-and-carriage mark, creed patch, serial\/style number, or recognizable Coach hardware is visible.",
                    "photo 2: reverse view shows a simple handmade crochet construction and textile strap with no Coach identifiers."
                ],
                "missing_information": [
                    "photo 1: interior, closure, and any sewn-in maker label are not shown.",
                    "photo 1: dimensions and material composition are not provided."
                ],
                "authenticity_concerns": [
                    "photo 1: crochet construction is inconsistent with the vintage Coach leather handbag population.",
                    "photo 1: no Coach identifiers are visible; this appears to be an unbranded or handmade crochet bag rather than a Coach product."
                ],
                "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: no metal hardware, turnlock, zipper, or hangtag is visible.",
                    "leather_description": "photo 1: no leather is visible; body and strap appear to be yellow and white crochet yarn or textile.",
                    "lining_description": "not_visible",
                    "strap_construction": "photo 1: long, narrow yellow crochet\/textile shoulder strap integrated into the bag body.",
                    "stitching_description": "photo 1: visible construction consists of crochet stitches; conventional handbag stitching is not visible."
                },
                "possible_model_reasoning": [
                    "photo 1: triangular\/slouchy crochet shoulder-bag silhouette does not correspond to a recognizable Coach catalog model.",
                    "photo 2: matching reverse view confirms a simple crochet textile construction rather than a vintage leather Coach design.",
                    "Condition: Very Good based on the visible intact crochet and strap; interior, seams, odor, and hidden wear are not shown."
                ],
                "confidence": 0.91,
                "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": 0.9,
                "estimated_era": "modern (2000s+), non-Coach",
                "estimated_resale_high": 15,
                "estimated_resale_low": 5,
                "image_quality_score": 0.55,
                "is_handbag_probability": 0.95,
                "missing_information": [
                    "No interior, bottom, hardware close-up or scale views, but no Coach identifiers to pursue - additional photos would not change non-Coach determination"
                ],
                "negative_evidence": [
                    "photo 1: entire bag is yellow\/white crocheted yarn, not glove-tanned leather",
                    "photo 1: no solid brass hardware, no turnlock, no zipper, no hangtag visible",
                    "photo 1 and photo 2: no creed patch, no COACH wordmark, no horse-and-carriage visible",
                    "photo 2: crochet\/macrame construction is an explicit non-Coach material per triage"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "not_visible - no metal hardware visible",
                    "leather_description": "no leather - yellow and off-white crocheted yarn with open granny-stitch",
                    "lining_description": "not_visible",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "not_visible - crochet loops only, no leather stitching",
                    "strap_construction": "photo 1: narrow yellow crochet shoulder strap continuous with body",
                    "turnlock_present": false
                },
                "positive_evidence": [],
                "possible_model_reasoning": [
                    "Condition: Good to Very Good handmade appearance with no visible damage in photo 1-2, but condition grading for leather does not apply",
                    "Silhouette is a soft crochet hobo\/tote with no catalog match to any vintage Coach leather style",
                    "Materials (crochet yarn) and lack of any hard identifiers rule out Coach manufacture"
                ],
                "possible_models": [],
                "recommended_max_bid": 8,
                "seller_misidentification_probability": 0.02,
                "vintage_probability": 0.03
            }
        }
    ],
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 19654,
            "output_tokens": 566,
            "total_tokens": 20220,
            "estimated_cost_usd": 0.00922
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 20282,
            "output_tokens": 1118,
            "total_tokens": 21400,
            "estimated_cost_usd": 0.004951
        }
    ]
}