Vintage Coach Hunter

{
    "is_handbag_probability": 0.97,
    "coach_probability": 0.02,
    "vintage_probability": 0.05,
    "authenticity_confidence": 0.025,
    "image_quality_score": 0.71,
    "seller_misidentification_probability": 0.075,
    "confidence": 0.83,
    "recommended_max_bid": 15,
    "estimated_resale_low": 15,
    "estimated_resale_high": 55,
    "possible_models": [],
    "positive_evidence": [],
    "negative_evidence": [
        "photo 1: the lot contains multiple handbags, but none shows a recognizable Coach silhouette, creed patch, Coach wordmark, horse-and-carriage, or vintage Coach turnlock.",
        "photo 4: the prominent patterned bag has a clearly visible oval\/ornamental badge reading \u201cOgio,\u201d not COACH.",
        "photo 1: several bags use synthetic-looking patterned textile, satin, faux-fur, studs, decorative chain, and plated hardware rather than the unlined glove-tanned leather construction typical of vintage Coach.",
        "photo 1: the bags appear to be assorted fashion handbags from different makers; the visible designs do not present consistent Coach construction.",
        "photo 1,4: large fabric backpack with metal\/leather Ogio EST. 1987 badge - Ogio is a non-Coach outdoor brand, nylon\/fabric construction",
        "photo 1,5: black satin kisslock evening pouch with gold-tone frame and chain - satin\/beaded evening styles are excluded Coach materials",
        "photo 1,3: black beaded\/corded clutch - beads, crochet, fabric are non-Coach materials per triage rule",
        "photo 1,2: brown cowhair western tote with studs, lacing and scalloped trim - western cowhair\/studded style never a Coach catalog silhouette",
        "photo 1: black envelope clutch with chain, tan saffiano-look crossbody, brown zip pouch - plated chain, coated\/saffiano textures, no solid brass or glove-tanned leather visible",
        "photo 1-6: no COACH wordmark, horse-and-carriage, creed patch, leather hangtag, solid brass turnlock, or unlined glove-tanned leather visible on any bag"
    ],
    "missing_information": [
        "photo 1: the interiors, back walls, and pockets of most bags are not shown; request individual interior photographs for any possible creed or brand label.",
        "photo 1: no readable close-ups of zippers, hardware backs, strap attachments, or material tags for each bag.",
        "photo 1: the listing claims an 8-piece lot, but not all eight bags are clearly separable or individually documented.",
        "photo 1: lot overview only - no interior, creed patch, bottom, or hardware close-ups for any individual bag",
        "photo 1-6: no Coach creed patch, wordmark, hangtag, or turnlock visible on any of the 8 pieces",
        "photo 1: seller states 8 pc lot but only ~7 items clearly visible - full inventory and individual dimensions unknown"
    ],
    "authenticity_concerns": [
        "photo 4: the only clearly legible brand identifier is Ogio, which is inconsistent with Coach manufacture.",
        "photo 1: synthetic\/textile and decorative fashion-bag construction is inconsistent with the classic vintage Coach population; no Coach identifiers are visible."
    ],
    "possible_model_reasoning": [
        "photo 4: the Ogio-marked patterned bag is not a Coach model and its visible badge identifies another brand.",
        "photo 1: the remaining bags are too generic and overlapping to assign Coach model candidates; no City Bag, Court, Willis, Station, Dinky, or other catalog-defining features are visible.",
        "photo 1: condition appears mixed and cannot be graded reliably because interiors, bottoms, and all corners are not shown; visible bags appear pre-owned with general handling\/creasing.",
        "No candidate matches Coach catalog: lot consists of Ogio backpack, satin evening bags, beaded clutch, western cowhair tote, chain envelope clutch - none match City, Willis, Court, Station, Dinky or other classic silhouettes",
        "No hard identifiers: no creed, serial, wordmark, hangtag, or solid-brass turnlock visible in any of 6 photos",
        "Construction inconsistent with vintage Coach: fabric, satin, beads, cowhair with studs, saffiano-look coated leather vs unlined glove-tanned + solid brass",
        "Condition: mixed reseller lot, appears used Good to Very Good overall from overview; individual corners, interiors, odor, function not gradable from lot 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: gold-tone chain straps, frame hardware, studs, decorative plaques, and assorted plated fittings are visible; no Coach-specific hardware is visible.",
        "leather_description": "photo 1: some bags appear synthetic or faux leather; one prominent bag has faux-fur\/textile panels and another has patterned textile. Natural glove-tanned leather is not established.",
        "lining_description": "not_visible",
        "strap_construction": "photo 1: assorted chain, narrow synthetic\/leather-look, and adjustable strap constructions are visible; details vary by bag.",
        "stitching_description": "photo 1: visible stitching appears generally machine-stitched and varies among the bags; no distinctive Coach construction can be confirmed."
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.0022,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.99,
                "coach_probability": 0.02,
                "vintage_probability": 0.05,
                "authenticity_confidence": 0.02,
                "image_quality_score": 0.82,
                "seller_misidentification_probability": 0.12,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [],
                "negative_evidence": [
                    "photo 1: the lot contains multiple handbags, but none shows a recognizable Coach silhouette, creed patch, Coach wordmark, horse-and-carriage, or vintage Coach turnlock.",
                    "photo 4: the prominent patterned bag has a clearly visible oval\/ornamental badge reading \u201cOgio,\u201d not COACH.",
                    "photo 1: several bags use synthetic-looking patterned textile, satin, faux-fur, studs, decorative chain, and plated hardware rather than the unlined glove-tanned leather construction typical of vintage Coach.",
                    "photo 1: the bags appear to be assorted fashion handbags from different makers; the visible designs do not present consistent Coach construction."
                ],
                "missing_information": [
                    "photo 1: the interiors, back walls, and pockets of most bags are not shown; request individual interior photographs for any possible creed or brand label.",
                    "photo 1: no readable close-ups of zippers, hardware backs, strap attachments, or material tags for each bag.",
                    "photo 1: the listing claims an 8-piece lot, but not all eight bags are clearly separable or individually documented."
                ],
                "authenticity_concerns": [
                    "photo 4: the only clearly legible brand identifier is Ogio, which is inconsistent with Coach manufacture.",
                    "photo 1: synthetic\/textile and decorative fashion-bag construction is inconsistent with the classic vintage Coach population; no Coach identifiers are 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: gold-tone chain straps, frame hardware, studs, decorative plaques, and assorted plated fittings are visible; no Coach-specific hardware is visible.",
                    "leather_description": "photo 1: some bags appear synthetic or faux leather; one prominent bag has faux-fur\/textile panels and another has patterned textile. Natural glove-tanned leather is not established.",
                    "lining_description": "not_visible",
                    "strap_construction": "photo 1: assorted chain, narrow synthetic\/leather-look, and adjustable strap constructions are visible; details vary by bag.",
                    "stitching_description": "photo 1: visible stitching appears generally machine-stitched and varies among the bags; no distinctive Coach construction can be confirmed."
                },
                "possible_model_reasoning": [
                    "photo 4: the Ogio-marked patterned bag is not a Coach model and its visible badge identifies another brand.",
                    "photo 1: the remaining bags are too generic and overlapping to assign Coach model candidates; no City Bag, Court, Willis, Station, Dinky, or other catalog-defining features are visible.",
                    "photo 1: condition appears mixed and cannot be graded reliably because interiors, bottoms, and all corners are not shown; visible bags appear pre-owned with general handling\/creasing."
                ],
                "confidence": 0.86,
                "recommended_max_bid": 15,
                "estimated_resale_low": 10,
                "estimated_resale_high": 50
            }
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "result": {
                "authenticity_concerns": [],
                "authenticity_confidence": 0.03,
                "coach_probability": 0.02,
                "confidence": 0.8,
                "estimated_era": "modern (2000s+), non-Coach",
                "estimated_resale_high": 60,
                "estimated_resale_low": 20,
                "image_quality_score": 0.6,
                "is_handbag_probability": 0.95,
                "missing_information": [
                    "photo 1: lot overview only - no interior, creed patch, bottom, or hardware close-ups for any individual bag",
                    "photo 1-6: no Coach creed patch, wordmark, hangtag, or turnlock visible on any of the 8 pieces",
                    "photo 1: seller states 8 pc lot but only ~7 items clearly visible - full inventory and individual dimensions unknown"
                ],
                "negative_evidence": [
                    "photo 1,4: large fabric backpack with metal\/leather Ogio EST. 1987 badge - Ogio is a non-Coach outdoor brand, nylon\/fabric construction",
                    "photo 1,5: black satin kisslock evening pouch with gold-tone frame and chain - satin\/beaded evening styles are excluded Coach materials",
                    "photo 1,3: black beaded\/corded clutch - beads, crochet, fabric are non-Coach materials per triage rule",
                    "photo 1,2: brown cowhair western tote with studs, lacing and scalloped trim - western cowhair\/studded style never a Coach catalog silhouette",
                    "photo 1: black envelope clutch with chain, tan saffiano-look crossbody, brown zip pouch - plated chain, coated\/saffiano textures, no solid brass or glove-tanned leather visible",
                    "photo 1-6: no COACH wordmark, horse-and-carriage, creed patch, leather hangtag, solid brass turnlock, or unlined glove-tanned leather visible on any bag"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "gold-tone kisslock frames and chains, silver-tone studs and rings; no solid brass turnlock, dogleash, or COACH-stamped hardware visible",
                    "leather_description": "mixed: smooth brown\/tan coated leather, black smooth clutch, cowhair-on-hide panel; no thick glove-tanned cowhide with patina visible",
                    "lining_description": "not_visible",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "not_visible in detail; contrast topstitching on western tote, otherwise indistinct",
                    "strap_construction": "varied thin chains, fabric and thin leather crossbody straps; no buckle-adjustable brass-slide or dogleash Coach straps visible",
                    "turnlock_present": false
                },
                "positive_evidence": [],
                "possible_model_reasoning": [
                    "No candidate matches Coach catalog: lot consists of Ogio backpack, satin evening bags, beaded clutch, western cowhair tote, chain envelope clutch - none match City, Willis, Court, Station, Dinky or other classic silhouettes",
                    "No hard identifiers: no creed, serial, wordmark, hangtag, or solid-brass turnlock visible in any of 6 photos",
                    "Construction inconsistent with vintage Coach: fabric, satin, beads, cowhair with studs, saffiano-look coated leather vs unlined glove-tanned + solid brass",
                    "Condition: mixed reseller lot, appears used Good to Very Good overall from overview; individual corners, interiors, odor, function not gradable from lot photos"
                ],
                "possible_models": [],
                "recommended_max_bid": 15,
                "seller_misidentification_probability": 0.03,
                "vintage_probability": 0.05
            }
        }
    ],
    "_usage": [
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            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 31020,
            "output_tokens": 769,
            "total_tokens": 31789,
            "estimated_cost_usd": 0.014254
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 32684,
            "output_tokens": 1279,
            "total_tokens": 33963,
            "estimated_cost_usd": 0.00756
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}