Vintage Coach Hunter

{
    "is_handbag_probability": 0.985,
    "coach_probability": 0.01,
    "vintage_probability": 0.01,
    "authenticity_confidence": 0.01,
    "image_quality_score": 0.92,
    "seller_misidentification_probability": 0.015,
    "confidence": 0.97,
    "recommended_max_bid": 8.5,
    "estimated_resale_low": 7.5,
    "estimated_resale_high": 27.5,
    "possible_models": [],
    "positive_evidence": [],
    "negative_evidence": [
        "photo 1: bag body and strap are visibly crochet\/yarn rather than leather, suede, or Coach signature canvas.",
        "photo 1: a visible metal plaque reads \"handmade,\" not COACH, and no Coach wordmark or carriage is shown.",
        "photo 1: bright silver-tone swivel clips and rings are inconsistent with the solid-brass hardware typical of classic vintage Coach.",
        "photo 3: visible interior is crochet\/yarn construction with no Coach creed patch or fabric identification tag.",
        "seller title: explicitly describes the item as handmade crochet and PP yarn; seller brand is Unbranded.",
        "photo 1: entire body is crocheted yarn, not leather - excluded material per triage",
        "photo 1: metal plate reads 'handmade', no COACH wordmark or horse-and-carriage visible",
        "photo 3: interior is same crochet yarn with no creed patch, no lining, no serial",
        "photo 1-6: no solid brass turnlock, no glove-tanned leather, no catalog Coach silhouette"
    ],
    "missing_information": [
        "photo 1-6: no meaningful missing information for determining whether this is vintage Coach; additional bottom, lining, or tag photos would only confirm construction details."
    ],
    "authenticity_concerns": [
        "photo 1: synthetic\/crochet construction and a handmade plaque are inconsistent with a Coach leather handbag.",
        "photo 1: the bag is a generic handmade crochet design rather than a Coach-identified product."
    ],
    "possible_model_reasoning": [
        "The silhouette is a simple modern crochet shoulder bag and does not correspond to a recognizable Coach catalog model.",
        "Condition appears New or Like New from the clean, undamaged product-style photos, but actual use, odor, and construction quality cannot be verified.",
        "The listing's PP yarn and handmade description support a modern non-Coach item rather than a vintage Coach bag.",
        "Not a Coach material or construction: crochet\/macrame yarn bags are explicitly excluded - coach_probability <=0.05 unless Coach identifier visible, none visible",
        "No creed, no serial, no wordmark, no hangtag, no brass turnlock, no glove-tanned leather in any of 6 photos",
        "Seller correctly lists as Unbranded handmade crochet bag, consistent with photos",
        "Condition: Like New\/new handmade appearance; no Coach model applies"
    ],
    "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: silver-tone swivel snap hooks and circular rings; brown leather-like center closure tab with a round snap; visible plaque reads \"handmade\".",
        "leather_description": "photo 1: dark gray crocheted yarn\/PP-like textile body and matching crocheted strap; no leather body visible.",
        "lining_description": "photo 3: dark crochet\/textile interior visible; no separate lining or Coach label visible.",
        "strap_construction": "photos 1-2: detachable matching crocheted shoulder strap attached with silver-tone swivel hooks and rings.",
        "stitching_description": "photos 1-6: crochet construction; conventional handbag stitching is not visible."
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.0001,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.98,
                "coach_probability": 0.01,
                "vintage_probability": 0.01,
                "authenticity_confidence": 0.01,
                "image_quality_score": 0.94,
                "seller_misidentification_probability": 0.01,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [],
                "negative_evidence": [
                    "photo 1: bag body and strap are visibly crochet\/yarn rather than leather, suede, or Coach signature canvas.",
                    "photo 1: a visible metal plaque reads \"handmade,\" not COACH, and no Coach wordmark or carriage is shown.",
                    "photo 1: bright silver-tone swivel clips and rings are inconsistent with the solid-brass hardware typical of classic vintage Coach.",
                    "photo 3: visible interior is crochet\/yarn construction with no Coach creed patch or fabric identification tag.",
                    "seller title: explicitly describes the item as handmade crochet and PP yarn; seller brand is Unbranded."
                ],
                "missing_information": [
                    "photo 1-6: no meaningful missing information for determining whether this is vintage Coach; additional bottom, lining, or tag photos would only confirm construction details."
                ],
                "authenticity_concerns": [
                    "photo 1: synthetic\/crochet construction and a handmade plaque are inconsistent with a Coach leather handbag.",
                    "photo 1: the bag is a generic handmade crochet design rather than a Coach-identified 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: silver-tone swivel snap hooks and circular rings; brown leather-like center closure tab with a round snap; visible plaque reads \"handmade\".",
                    "leather_description": "photo 1: dark gray crocheted yarn\/PP-like textile body and matching crocheted strap; no leather body visible.",
                    "lining_description": "photo 3: dark crochet\/textile interior visible; no separate lining or Coach label visible.",
                    "strap_construction": "photos 1-2: detachable matching crocheted shoulder strap attached with silver-tone swivel hooks and rings.",
                    "stitching_description": "photos 1-6: crochet construction; conventional handbag stitching is not visible."
                },
                "possible_model_reasoning": [
                    "The silhouette is a simple modern crochet shoulder bag and does not correspond to a recognizable Coach catalog model.",
                    "Condition appears New or Like New from the clean, undamaged product-style photos, but actual use, odor, and construction quality cannot be verified.",
                    "The listing's PP yarn and handmade description support a modern non-Coach item rather than a vintage Coach bag."
                ],
                "confidence": 0.96,
                "recommended_max_bid": 5,
                "estimated_resale_low": 5,
                "estimated_resale_high": 30
            }
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "result": {
                "authenticity_concerns": [],
                "authenticity_confidence": 0.01,
                "coach_probability": 0.01,
                "confidence": 0.98,
                "estimated_era": "modern (2000s+), non-Coach",
                "estimated_resale_high": 25,
                "estimated_resale_low": 10,
                "image_quality_score": 0.9,
                "is_handbag_probability": 0.99,
                "missing_information": [],
                "negative_evidence": [
                    "photo 1: entire body is crocheted yarn, not leather - excluded material per triage",
                    "photo 1: metal plate reads 'handmade', no COACH wordmark or horse-and-carriage visible",
                    "photo 3: interior is same crochet yarn with no creed patch, no lining, no serial",
                    "photo 1-6: no solid brass turnlock, no glove-tanned leather, no catalog Coach silhouette"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "gunmetal-tone lobster clips and D-rings for detachable strap; small brass-tone snap on leather tab closure; no turnlock; modern plated hardware",
                    "leather_description": "not leather bag - dark gray crochet PP yarn body; only small brown leather-like tab at top closure",
                    "lining_description": "unlined - interior shows same dark crochet yarn, no fabric or suede lining, no pockets visible",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "no leather stitching; crochet knit construction with vertical rib pattern",
                    "strap_construction": "detachable crochet yarn shoulder strap matching body, attached with gunmetal lobster clips and rings",
                    "turnlock_present": false
                },
                "positive_evidence": [],
                "possible_model_reasoning": [
                    "Not a Coach material or construction: crochet\/macrame yarn bags are explicitly excluded - coach_probability <=0.05 unless Coach identifier visible, none visible",
                    "No creed, no serial, no wordmark, no hangtag, no brass turnlock, no glove-tanned leather in any of 6 photos",
                    "Seller correctly lists as Unbranded handmade crochet bag, consistent with photos",
                    "Condition: Like New\/new handmade appearance; no Coach model applies"
                ],
                "possible_models": [],
                "recommended_max_bid": 12,
                "seller_misidentification_probability": 0.02,
                "vintage_probability": 0.01
            }
        }
    ],
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            "model_name": "meta:muse-spark-1.3-contributor",
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}