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1{2 "$comment": "Grading companies (§118). Grades are tracked per grader; premiums are measured empirically, never assumed equal across graders.",3 "graders": [4 { "slug": "psa", "name": "PSA", "categories": ["trading_cards", "sports_cards", "non_sport_cards"], "scale": { "type": "numeric", "values": ["1", "1.5", "2", "3", "4", "5", "6", "7", "8", "9", "10"], "top": "10" }, "populationUrl": "https://www.psacard.com/pop", "verifyUrl": "https://www.psacard.com/cert/{cert}", "aliases": ["psa", "professional sports authenticator"] },5 { "slug": "bgs", "name": "BGS (Beckett)", "categories": ["trading_cards", "sports_cards"], "scale": { "type": "numeric", "values": ["1", "2", "3", "4", "5", "6", "7", "7.5", "8", "8.5", "9", "9.5", "10"], "top": "10" }, "populationUrl": "https://www.beckett.com/grading/pop-report", "verifyUrl": "https://www.beckett.com/grading/card-lookup", "aliases": ["bgs", "beckett", "bccg"] },6 { "slug": "cgc", "name": "CGC", "categories": ["trading_cards", "sports_cards", "comics", "manga", "video_games"], "scale": { "type": "numeric", "values": ["0.5", "1", "1.5", "2", "2.5", "3", "3.5", "4", "4.5", "5", "5.5", "6", "6.5", "7", "7.5", "8", "8.5", "9", "9.2", "9.4", "9.6", "9.8", "9.9", "10"], "top": "10" }, "populationUrl": "https://www.cgccomics.com/census/", "verifyUrl": "https://www.cgccomics.com/certlookup/{cert}", "aliases": ["cgc"] },7 { "slug": "sgc", "name": "SGC", "categories": ["trading_cards", "sports_cards"], "scale": { "type": "numeric", "values": ["1", "1.5", "2", "2.5", "3", "3.5", "4", "4.5", "5", "5.5", "6", "6.5", "7", "7.5", "8", "8.5", "9", "9.5", "10"], "top": "10" }, "populationUrl": "https://gosgc.com/pop-report", "verifyUrl": "https://gosgc.com/card-registry", "aliases": ["sgc"] },8 { "slug": "tag", "name": "TAG", "categories": ["trading_cards", "sports_cards"], "scale": { "type": "numeric", "values": ["1", "2", "3", "4", "5", "6", "7", "8", "8.5", "9", "9.5", "10"], "top": "10" }, "aliases": ["tag grading"] },9 { "slug": "ace", "name": "ACE Grading", "categories": ["trading_cards"], "scale": { "type": "numeric", "values": ["1", "2", "3", "4", "5", "6", "7", "8", "9", "10"], "top": "10" }, "aliases": ["ace"] },10 { "slug": "cbcs", "name": "CBCS", "categories": ["comics"], "scale": { "type": "numeric", "values": ["0.5", "1", "2", "3", "4", "5", "6", "7", "8", "9", "9.2", "9.4", "9.6", "9.8", "10"], "top": "10" }, "aliases": ["cbcs"] },11 { "slug": "pgx", "name": "PGX", "categories": ["comics"], "scale": { "type": "numeric", "values": ["1", "2", "3", "4", "5", "6", "7", "8", "9", "9.8", "10"], "top": "10" }, "aliases": ["pgx"] },12 { "slug": "wata", "name": "WATA", "categories": ["video_games"], "scale": { "type": "numeric", "values": ["1", "2", "3", "4", "5", "6", "7", "7.5", "8", "8.5", "9", "9.2", "9.4", "9.6", "9.8", "10"], "top": "10" }, "populationUrl": "https://www.watagames.com/population", "aliases": ["wata"] },13 { "slug": "vga", "name": "VGA", "categories": ["video_games", "vintage_toys"], "scale": { "type": "numeric", "values": ["10", "20", "30", "40", "50", "60", "65", "70", "75", "80", "85", "90", "95", "100"], "top": "100" }, "aliases": ["vga"] },14 { "slug": "pcgs", "name": "PCGS", "categories": ["coins", "banknotes"], "scale": { "type": "sheldon", "values": ["1", "2", "3", "4", "6", "8", "10", "12", "15", "20", "25", "30", "35", "40", "45", "50", "53", "55", "58", "60", "61", "62", "63", "64", "65", "66", "67", "68", "69", "70"], "top": "70" }, "populationUrl": "https://www.pcgs.com/pop", "verifyUrl": "https://www.pcgs.com/cert/{cert}", "aliases": ["pcgs"] },15 { "slug": "ngc", "name": "NGC", "categories": ["coins", "medals"], "scale": { "type": "sheldon", "values": ["1", "2", "3", "4", "6", "8", "10", "12", "15", "20", "25", "30", "35", "40", "45", "50", "53", "55", "58", "60", "61", "62", "63", "64", "65", "66", "67", "68", "69", "70"], "top": "70" }, "populationUrl": "https://www.ngccoin.com/census/", "verifyUrl": "https://www.ngccoin.com/certlookup/{cert}", "aliases": ["ngc"] },16 { "slug": "anacs", "name": "ANACS", "categories": ["coins"], "scale": { "type": "sheldon", "values": [], "top": "70" }, "aliases": ["anacs"] },17 { "slug": "iccs", "name": "ICCS", "categories": ["coins"], "scale": { "type": "sheldon", "values": [], "top": "70" }, "aliases": ["iccs"] },18 { "slug": "pmg", "name": "PMG", "categories": ["banknotes"], "scale": { "type": "sheldon", "values": [], "top": "70" }, "aliases": ["pmg"] },19 { "slug": "psa_dna", "name": "PSA/DNA", "categories": ["autographs", "sports_memorabilia"], "scale": { "type": "numeric", "values": ["1", "2", "3", "4", "5", "6", "7", "8", "9", "10"], "top": "10" }, "aliases": ["psa/dna", "psa dna"] },20 { "slug": "jsa", "name": "JSA", "categories": ["autographs", "sports_memorabilia"], "scale": { "type": "descriptive", "values": ["authentic"], "top": "authentic" }, "aliases": ["jsa"] },21 { "slug": "beckett_auth", "name": "Beckett Authentication", "categories": ["autographs"], "scale": { "type": "numeric", "values": ["1", "2", "3", "4", "5", "6", "7", "8", "9", "10"], "top": "10" }, "aliases": ["bas", "beckett authentication"] },22 { "slug": "raw", "name": "Raw / Ungraded", "categories": [], "scale": { "type": "descriptive", "values": [], "top": "" }, "aliases": ["raw", "ungraded"] }23 ]24}25