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PSA was launched in July 1991 by David Hall, owner of the coin grading company Professional Coin Grading Service (PCGS), to serve collectors as a third-party card grader. [1] At the outset, the business faced difficulties owing to a limited demand from collectors who sought card grading services. [2]
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.
Many Griffey cards were returned and the result was that Upper Deck printed many uncut sheets (sheets consisting of 100 cards) of just the Griffey card. [28] According to Professional Sports Authenticator (PSA), the Ken Griffey Jr. card would become the most graded card of all time with the company; PSA graded over 50,000 of the cards.
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Cards are evaluated by third-party services, most often Professional Sports Authenticator (PSA), Beckett Grading Services (BGS) and Sportscard Guaranty (SGC), and given a grade on a ten-point scale based on condition. [5] The images below do not necessarily represent the individual specimen sold but are representative of the given cards.
The season of holiday greeting cards has arrived. For those who still cherish the tradition of sending and receiving a greeting card understanding the cost of postage is crucial.
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.
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.