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Certified Guaranty Company, also known as CGC, is a Sarasota, Florida comic book grading service. CGC is an independent member of the Certified Collectibles Group of companies. It is the first independent and impartial third party grading service for comic books.
Collectors Universe Inc. is an American company formed in 1986, now based in Santa Ana, California, which provides third-party authentication and grading services to collectors, retail buyers and sellers of collectibles. Its authentication services focus on coins, trading cards, sports memorabilia, and autographs.
Numismatic Guaranty Company (NGC) is an international third-party coin grading and certification service based in Sarasota, Florida. It has certified more than 60 million coins. NGC certification consists of authentication, grading, attribution, and encapsulation in clear plastic holders.
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PSA, the industry leader in the important task of grading cards, is slowly resuming its operations. Until then, a booming billion dollar sports card market must sit and wait.
Cards are considered poor to pristine based on their condition, or in some cases rated 1 through 10. [35] A card in pristine condition, for example, will generally be valued higher than a card in poor condition. Major card grading companies which provide these ratings on a scale of 1-10 include PSA, Beckett, and SGC.
At the outset, the business faced difficulties owing to a limited demand from collectors who sought card grading services. [2] Initially, many sports card dealers were against the concept of relying on an external organization to evaluate and grade their cards. They declined to utilize card grading services.
Beckett Media operates a sports card grading service named Beckett Grading Services. This service holds the exclusive rights to grade and authenticate trading cards from the Topps Vault . [ 12 ] [ 13 ] In 2016, Beckett Media inaugurated an autograph verification enterprise called Beckett Authentication Services.