Vintage Coach Hunter

{
    "is_handbag_probability": 0.965,
    "coach_probability": 0.015,
    "vintage_probability": 0.66,
    "authenticity_confidence": 0.015,
    "image_quality_score": 0.685,
    "seller_misidentification_probability": 0.37,
    "confidence": 0.89,
    "recommended_max_bid": 10,
    "estimated_resale_low": 9,
    "estimated_resale_high": 30,
    "possible_models": [],
    "positive_evidence": [],
    "negative_evidence": [
        "photo 1: the lot consists of beaded, crocheted, embroidered, and velvet evening purses rather than Coach's typical leather, coated canvas, or structured handbag construction",
        "photo 2: the crocheted purse has a fabric\/crochet exterior and cord strap, with no visible Coach identifier",
        "photo 4: the crocheted purse shows a light fabric lining and plastic-looking zipper components, not a vintage Coach creed or glove-tanned leather interior",
        "photo 5: the black purse is velvet\/fabric with a metal kisslock frame, unlike the documented vintage Coach leather construction",
        "photo 6: the beaded purse has a textile base and extensive beadwork, with no visible Coach wordmark, carriage, creed, or hangtag",
        "photo 1: the seller identifies the lot as unbranded and provides no Coach-specific provenance or identifiers",
        "photo 1: lot of 4 bags are beaded satin, beaded fabric, crochet cotton, black velvet - none is leather glove-tanned",
        "photo 1,2,6: beads, crochet\/macrame construction explicitly excludes Coach per triage unless identifier visible",
        "photo 4,5: black velvet kisslock clutch with silver-tone frame, no Coach hardware geometry",
        "photo 1-6: no creed patch, no COACH wordmark, no horse-and-carriage, no leather hangtag, no turnlock visible on any bag"
    ],
    "missing_information": [
        "Individual interior views of all four purses",
        "Close-ups of any labels, maker tags, or stamps inside each purse",
        "Clear photos of closures, hardware, bottoms, and seams for each item",
        "Seller-stated dimensions and material information for each purse"
    ],
    "authenticity_concerns": [
        "photo 1: no Coach identifiers are visible anywhere in the mixed lot",
        "photo 2: textile\/crochet construction is inconsistent with the classic vintage Coach leather handbag population",
        "photo 5: velvet fabric and a kisslock frame provide no evidence of Coach manufacture"
    ],
    "possible_model_reasoning": [
        "No Coach model is plausible from the visible construction or decoration; these appear to be assorted vintage-style evening and novelty purses.",
        "photo 1: the lot's mixed textile construction is more consistent with generic secondhand evening bags than Coach products.",
        "Condition appears Good overall, with visible age, handling, and possible loose or uneven textile\/beadwork areas; interiors and functional closures are incompletely documented.",
        "photo 1: four-piece evening-bag lot contains zero glove-tanned leather bags, zero brass turnlocks, zero creeds - no catalog silhouette matches",
        "photo 2-3: crochet crossbody with rope strap and fabric lining is a prohibited material class for Coach",
        "photo 4-5: velvet kisslock clutch and photo 6, photo 1 top: beaded evening clutches are prohibited material classes for Coach",
        "Condition: Good to Very Good for lot; photo 5 shows interior staining in velvet bag, otherwise intact beads and crochet"
    ],
    "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 4: light-colored zipper hardware on the crocheted purse; photo 5: metal kisslock frame on the black velvet purse; no Coach-stamped hardware visible",
        "leather_description": "No leather is visibly present; the purses appear to use crochet, fabric, velvet, embroidery, and beadwork",
        "lining_description": "photo 4: light fabric lining visible in the crocheted purse; photo 6: textile backing visible beneath the beadwork; other interiors not shown",
        "strap_construction": "photo 1: crocheted purse has a long cord shoulder strap; other strap constructions are not visible",
        "stitching_description": "photo 2: crochet and textile construction is visible; beadwork and embroidery appear hand-applied or sewn to fabric; conventional leather-bag stitching is not visible"
    },
    "ensemble_agreement": "MEDIUM",
    "ensemble_variance": 0.0207,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.98,
                "coach_probability": 0.01,
                "vintage_probability": 0.72,
                "authenticity_confidence": 0.01,
                "image_quality_score": 0.82,
                "seller_misidentification_probability": 0.72,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [],
                "negative_evidence": [
                    "photo 1: the lot consists of beaded, crocheted, embroidered, and velvet evening purses rather than Coach's typical leather, coated canvas, or structured handbag construction",
                    "photo 2: the crocheted purse has a fabric\/crochet exterior and cord strap, with no visible Coach identifier",
                    "photo 4: the crocheted purse shows a light fabric lining and plastic-looking zipper components, not a vintage Coach creed or glove-tanned leather interior",
                    "photo 5: the black purse is velvet\/fabric with a metal kisslock frame, unlike the documented vintage Coach leather construction",
                    "photo 6: the beaded purse has a textile base and extensive beadwork, with no visible Coach wordmark, carriage, creed, or hangtag",
                    "photo 1: the seller identifies the lot as unbranded and provides no Coach-specific provenance or identifiers"
                ],
                "missing_information": [
                    "Individual interior views of all four purses",
                    "Close-ups of any labels, maker tags, or stamps inside each purse",
                    "Clear photos of closures, hardware, bottoms, and seams for each item",
                    "Seller-stated dimensions and material information for each purse"
                ],
                "authenticity_concerns": [
                    "photo 1: no Coach identifiers are visible anywhere in the mixed lot",
                    "photo 2: textile\/crochet construction is inconsistent with the classic vintage Coach leather handbag population",
                    "photo 5: velvet fabric and a kisslock frame provide no evidence of Coach manufacture"
                ],
                "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 4: light-colored zipper hardware on the crocheted purse; photo 5: metal kisslock frame on the black velvet purse; no Coach-stamped hardware visible",
                    "leather_description": "No leather is visibly present; the purses appear to use crochet, fabric, velvet, embroidery, and beadwork",
                    "lining_description": "photo 4: light fabric lining visible in the crocheted purse; photo 6: textile backing visible beneath the beadwork; other interiors not shown",
                    "strap_construction": "photo 1: crocheted purse has a long cord shoulder strap; other strap constructions are not visible",
                    "stitching_description": "photo 2: crochet and textile construction is visible; beadwork and embroidery appear hand-applied or sewn to fabric; conventional leather-bag stitching is not visible"
                },
                "possible_model_reasoning": [
                    "No Coach model is plausible from the visible construction or decoration; these appear to be assorted vintage-style evening and novelty purses.",
                    "photo 1: the lot's mixed textile construction is more consistent with generic secondhand evening bags than Coach products.",
                    "Condition appears Good overall, with visible age, handling, and possible loose or uneven textile\/beadwork areas; interiors and functional closures are incompletely documented."
                ],
                "confidence": 0.9,
                "recommended_max_bid": 8,
                "estimated_resale_low": 8,
                "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": 30,
                "estimated_resale_low": 10,
                "image_quality_score": 0.55,
                "is_handbag_probability": 0.95,
                "missing_information": [],
                "negative_evidence": [
                    "photo 1: lot of 4 bags are beaded satin, beaded fabric, crochet cotton, black velvet - none is leather glove-tanned",
                    "photo 1,2,6: beads, crochet\/macrame construction explicitly excludes Coach per triage unless identifier visible",
                    "photo 4,5: black velvet kisslock clutch with silver-tone frame, no Coach hardware geometry",
                    "photo 1-6: no creed patch, no COACH wordmark, no horse-and-carriage, no leather hangtag, no turnlock visible on any bag"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "photo 4-5: silver-tone kisslock frame with teardrop clasps on velvet clutch; photo 3: white plastic zipper on crochet bag; no solid brass turnlock, no brass hardware",
                    "leather_description": "photo 1-6: no leather visible; beaded fabric, crocheted cotton yarn, black velvet\/pile fabric",
                    "lining_description": "photo 3: plain off-white cotton lining in crochet bag; photo 5: black satin lining in velvet clutch with staining; no suede-back glove-tanned interior",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "not_visible as leather stitching; crochet loops in photo 2, beaded embroidery in photo 1 and 6",
                    "strap_construction": "photo 1-2: white cotton rope cord crossbody strap with knotted loop on crochet bag; other three bags are strapless clutches",
                    "turnlock_present": false
                },
                "positive_evidence": [],
                "possible_model_reasoning": [
                    "photo 1: four-piece evening-bag lot contains zero glove-tanned leather bags, zero brass turnlocks, zero creeds - no catalog silhouette matches",
                    "photo 2-3: crochet crossbody with rope strap and fabric lining is a prohibited material class for Coach",
                    "photo 4-5: velvet kisslock clutch and photo 6, photo 1 top: beaded evening clutches are prohibited material classes for Coach",
                    "Condition: Good to Very Good for lot; photo 5 shows interior staining in velvet bag, otherwise intact beads and crochet"
                ],
                "possible_models": [],
                "recommended_max_bid": 12,
                "seller_misidentification_probability": 0.02,
                "vintage_probability": 0.6
            }
        }
    ],
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            "model_name": "meta:muse-spark-1.3-contributor",
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}