Vintage Coach Hunter

{
    "is_handbag_probability": 0.965,
    "coach_probability": 0.01,
    "vintage_probability": 0.015,
    "authenticity_confidence": 0.015,
    "image_quality_score": 0.73,
    "seller_misidentification_probability": 0.07,
    "confidence": 0.94,
    "recommended_max_bid": 5,
    "estimated_resale_low": 5,
    "estimated_resale_high": 22.5,
    "possible_models": [],
    "positive_evidence": [],
    "negative_evidence": [
        "photo 1: Bag is visibly made from crocheted yarn with a black-and-red geometric pattern, not Coach leather, coated canvas, or a documented Coach textile construction.",
        "photo 1: Shoulder strap and bag body are entirely crocheted; no Coach-specific leather trim, hardware, wordmark, carriage, or hangtag is visible.",
        "photo 2: Reverse view likewise shows handmade crochet construction and no Coach identifiers.",
        "listing text: Seller describes it as handmade crochet and unbranded, consistent with the visible construction.",
        "photo 1: body and strap are black\/red crocheted yarn, not glove-tanned leather",
        "photo 1, photo 2: no solid brass hardware, no turnlock, no leather hangtag, no creed patch visible",
        "photo 2: handmade crochet granny-square construction inconsistent with any Coach catalog style"
    ],
    "missing_information": [
        "photo 1 and photo 2: Interior, closure, and any sewn-in maker label are not shown.",
        "photo 1 and photo 2: Exact dimensions and fiber composition are not provided.",
        "No interior, hardware, or label close-ups shown, but construction already excludes Coach so further photos not needed for Coach assessment"
    ],
    "authenticity_concerns": [
        "photo 1: Crochet construction is inconsistent with the vintage Coach leather handbag population; there is no visible basis for Coach attribution.",
        "photo 1 and photo 2: No creed patch, serial\/style number, Coach wordmark, or other Coach identifier is visible."
    ],
    "possible_model_reasoning": [
        "photo 1, photo 2: crochet\/macrame material explicitly excludes vintage Coach per triage rule; Coach never made crochet yarn bags",
        "No Coach identifier (creed, wordmark, brass turnlock, leather hangtag) visible in either photo",
        "Seller text 'Handmade Crochet' and 'Unbranded' consistent with photos; no misidentification",
        "Condition: Good to Very Good handmade item; no leather wear to grade, yarn appears intact in photos"
    ],
    "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 and photo 2: No metal hardware, closure, or hangtag is visible; the strap appears crocheted.",
        "leather_description": "photo 1 and photo 2: No leather is visible; body and strap appear to be crocheted yarn or thread.",
        "lining_description": "not_visible",
        "strap_construction": "photo 1 and photo 2: Long, narrow crocheted shoulder strap integrated into or attached to the crocheted bag body; no adjustment hardware visible.",
        "stitching_description": "photo 1 and photo 2: Crochet loops and yarn construction are visible; conventional handbag stitching cannot be assessed."
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.0028,
    "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": 0.86,
                "seller_misidentification_probability": 0.12,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [],
                "negative_evidence": [
                    "photo 1: Bag is visibly made from crocheted yarn with a black-and-red geometric pattern, not Coach leather, coated canvas, or a documented Coach textile construction.",
                    "photo 1: Shoulder strap and bag body are entirely crocheted; no Coach-specific leather trim, hardware, wordmark, carriage, or hangtag is visible.",
                    "photo 2: Reverse view likewise shows handmade crochet construction and no Coach identifiers.",
                    "listing text: Seller describes it as handmade crochet and unbranded, consistent with the visible construction."
                ],
                "missing_information": [
                    "photo 1 and photo 2: Interior, closure, and any sewn-in maker label are not shown.",
                    "photo 1 and photo 2: Exact dimensions and fiber composition are not provided."
                ],
                "authenticity_concerns": [
                    "photo 1: Crochet construction is inconsistent with the vintage Coach leather handbag population; there is no visible basis for Coach attribution.",
                    "photo 1 and photo 2: No creed patch, serial\/style number, Coach wordmark, or other Coach identifier is visible."
                ],
                "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 and photo 2: No metal hardware, closure, or hangtag is visible; the strap appears crocheted.",
                    "leather_description": "photo 1 and photo 2: No leather is visible; body and strap appear to be crocheted yarn or thread.",
                    "lining_description": "not_visible",
                    "strap_construction": "photo 1 and photo 2: Long, narrow crocheted shoulder strap integrated into or attached to the crocheted bag body; no adjustment hardware visible.",
                    "stitching_description": "photo 1 and photo 2: Crochet loops and yarn construction are visible; conventional handbag stitching cannot be assessed."
                },
                "possible_model_reasoning": [],
                "confidence": 0.93,
                "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": 0.02,
                "coach_probability": 0.01,
                "confidence": 0.95,
                "estimated_era": "modern (2000s+), non-Coach",
                "estimated_resale_high": 15,
                "estimated_resale_low": 5,
                "image_quality_score": 0.6,
                "is_handbag_probability": 0.95,
                "missing_information": [
                    "No interior, hardware, or label close-ups shown, but construction already excludes Coach so further photos not needed for Coach assessment"
                ],
                "negative_evidence": [
                    "photo 1: body and strap are black\/red crocheted yarn, not glove-tanned leather",
                    "photo 1, photo 2: no solid brass hardware, no turnlock, no leather hangtag, no creed patch visible",
                    "photo 2: handmade crochet granny-square construction inconsistent with any Coach catalog style"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "not_visible - no metal hardware visible in photo 1 or photo 2",
                    "leather_description": "photo 1, photo 2: no leather; black and red crochet yarn with openwork geometric pattern",
                    "lining_description": "not_visible",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "photo 1, photo 2: crochet yarn stitches only; no leather stitching visible",
                    "strap_construction": "photo 1, photo 2: narrow crocheted yarn shoulder strap continuous with bag body",
                    "turnlock_present": false
                },
                "positive_evidence": [],
                "possible_model_reasoning": [
                    "photo 1, photo 2: crochet\/macrame material explicitly excludes vintage Coach per triage rule; Coach never made crochet yarn bags",
                    "No Coach identifier (creed, wordmark, brass turnlock, leather hangtag) visible in either photo",
                    "Seller text 'Handmade Crochet' and 'Unbranded' consistent with photos; no misidentification",
                    "Condition: Good to Very Good handmade item; no leather wear to grade, yarn appears intact in photos"
                ],
                "possible_models": [],
                "recommended_max_bid": 5,
                "seller_misidentification_probability": 0.02,
                "vintage_probability": 0.02
            }
        }
    ],
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 19653,
            "output_tokens": 512,
            "total_tokens": 20165,
            "estimated_cost_usd": 0.00909
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 20279,
            "output_tokens": 1140,
            "total_tokens": 21419,
            "estimated_cost_usd": 0.004968
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}