Vintage Coach Hunter

{
    "is_handbag_probability": 0.965,
    "coach_probability": 0.02,
    "vintage_probability": 0.04,
    "authenticity_confidence": 0.02,
    "image_quality_score": 0.68,
    "seller_misidentification_probability": 0.025,
    "confidence": 0.895,
    "recommended_max_bid": 8,
    "estimated_resale_low": 5,
    "estimated_resale_high": 22.5,
    "possible_models": [],
    "positive_evidence": [
        "Photo 1: clearly a handbag-sized purse with two circular handles.",
        "Photo 1: the bag has a dark crocheted textile construction and visible metal-tone handles, consistent with the seller's description."
    ],
    "negative_evidence": [
        "Photos 1-3: the body is crochet\/textile rather than Coach's typical leather, coated canvas, or signature jacquard materials.",
        "Photos 1-3: no visible Coach wordmark, horse-and-carriage, creed patch, hangtag, or other Coach identifier.",
        "Photos 1-3: the circular metal handles do not resemble a vintage Coach turnlock or standard leather strap construction.",
        "photo 1: body is black crochet knit textile, not glove-tanned leather",
        "photo 1: silver-tone hollow ring handles, not solid brass vintage hardware",
        "photo 1-3: no turnlock, no leather creed patch, no COACH wordmark, no hangtag visible",
        "photo 2-3: construction is crochet purse with metal ring handles, a category excluded as Coach unless identifier visible"
    ],
    "missing_information": [
        "Interior view and any sewn-in brand or care labels.",
        "Close-up of the handle attachments and any hardware markings.",
        "Bottom, side, and interior construction photos.",
        "interior views not shown, but not needed for material exclusion",
        "back\/side\/bottom close-ups not shown",
        "hardware stamps\/maker marks not shown"
    ],
    "authenticity_concerns": [
        "Photos 1-3 show no evidence of Coach manufacture; the crochet construction and circular metal handles are inconsistent with the vintage Coach handbag population."
    ],
    "possible_model_reasoning": [
        "The item does not match a listed Coach model because its crocheted textile body and circular metal handles are unlike the leather, coated-canvas, or structured constructions associated with Coach handbags.",
        "Era is estimated as modern (2000s+), non-Coach based on the textile construction and absence of any vintage Coach identifier.",
        "Condition appears approximately Very Good from the exterior photos: no obvious holes or major damage are visible, but the interior and full construction are not shown.",
        "No Coach silhouette match: crochet ring-handle tote does not correspond to any catalog classic style",
        "Material exclusion per skill: crochet\/macrame with hollow chrome hardware caps coach_probability at <=0.05 without identifier; no identifier visible",
        "Condition: seller states No flaws; photos 1-3 show intact knit with no visible damage, but condition grade capped by missing interior\/bottom views"
    ],
    "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": "Photos 1-3: two large circular silver-tone metal handles; no Coach-marked hardware is visible.",
        "leather_description": "Photos 1-3: no leather body or leather trim is visible; body appears crocheted textile.",
        "lining_description": "not_visible",
        "strap_construction": "Photos 1-3: fixed circular metal handles; no leather shoulder strap is visible.",
        "stitching_description": "Photos 1-3: tightly patterned crochet rows are visible; conventional leather-bag stitching is not visible."
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.0047,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.98,
                "coach_probability": 0.02,
                "vintage_probability": 0.03,
                "authenticity_confidence": 0.02,
                "image_quality_score": 0.86,
                "seller_misidentification_probability": 0.03,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [
                    "Photo 1: clearly a handbag-sized purse with two circular handles.",
                    "Photo 1: the bag has a dark crocheted textile construction and visible metal-tone handles, consistent with the seller's description."
                ],
                "negative_evidence": [
                    "Photos 1-3: the body is crochet\/textile rather than Coach's typical leather, coated canvas, or signature jacquard materials.",
                    "Photos 1-3: no visible Coach wordmark, horse-and-carriage, creed patch, hangtag, or other Coach identifier.",
                    "Photos 1-3: the circular metal handles do not resemble a vintage Coach turnlock or standard leather strap construction."
                ],
                "missing_information": [
                    "Interior view and any sewn-in brand or care labels.",
                    "Close-up of the handle attachments and any hardware markings.",
                    "Bottom, side, and interior construction photos."
                ],
                "authenticity_concerns": [
                    "Photos 1-3 show no evidence of Coach manufacture; the crochet construction and circular metal handles are inconsistent with the vintage Coach handbag population."
                ],
                "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": "Photos 1-3: two large circular silver-tone metal handles; no Coach-marked hardware is visible.",
                    "leather_description": "Photos 1-3: no leather body or leather trim is visible; body appears crocheted textile.",
                    "lining_description": "not_visible",
                    "strap_construction": "Photos 1-3: fixed circular metal handles; no leather shoulder strap is visible.",
                    "stitching_description": "Photos 1-3: tightly patterned crochet rows are visible; conventional leather-bag stitching is not visible."
                },
                "possible_model_reasoning": [
                    "The item does not match a listed Coach model because its crocheted textile body and circular metal handles are unlike the leather, coated-canvas, or structured constructions associated with Coach handbags.",
                    "Era is estimated as modern (2000s+), non-Coach based on the textile construction and absence of any vintage Coach identifier.",
                    "Condition appears approximately Very Good from the exterior photos: no obvious holes or major damage are visible, but the interior and full construction 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": 0.88,
                "estimated_era": "modern (2000s+), non-Coach",
                "estimated_resale_high": 15,
                "estimated_resale_low": 5,
                "image_quality_score": 0.5,
                "is_handbag_probability": 0.95,
                "missing_information": [
                    "interior views not shown, but not needed for material exclusion",
                    "back\/side\/bottom close-ups not shown",
                    "hardware stamps\/maker marks not shown"
                ],
                "negative_evidence": [
                    "photo 1: body is black crochet knit textile, not glove-tanned leather",
                    "photo 1: silver-tone hollow ring handles, not solid brass vintage hardware",
                    "photo 1-3: no turnlock, no leather creed patch, no COACH wordmark, no hangtag visible",
                    "photo 2-3: construction is crochet purse with metal ring handles, a category excluded as Coach unless identifier visible"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "silver-tone metal double ring handles visible in photo 1-3; hollow-appearing, not solid brass turnlock hardware",
                    "leather_description": "no leather visible; black crochet woven textile body",
                    "lining_description": "not_visible",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "not_visible as leather stitching; crochet knit construction only",
                    "strap_construction": "fixed circular metal ring handles through top channel; no adjustable leather strap",
                    "turnlock_present": false
                },
                "positive_evidence": [],
                "possible_model_reasoning": [
                    "No Coach silhouette match: crochet ring-handle tote does not correspond to any catalog classic style",
                    "Material exclusion per skill: crochet\/macrame with hollow chrome hardware caps coach_probability at <=0.05 without identifier; no identifier visible",
                    "Condition: seller states No flaws; photos 1-3 show intact knit with no visible damage, but condition grade capped by missing interior\/bottom views"
                ],
                "possible_models": [],
                "recommended_max_bid": 8,
                "seller_misidentification_probability": 0.02,
                "vintage_probability": 0.05
            }
        }
    ],
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 16394,
            "output_tokens": 691,
            "total_tokens": 17085,
            "estimated_cost_usd": 0.008216
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 16703,
            "output_tokens": 1136,
            "total_tokens": 17839,
            "estimated_cost_usd": 0.004249
        }
    ]
}