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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]
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.
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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.
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.
In 1967, it cost $12 to get into Super Bowl I between the Chiefs and Packers. More than a half century later, a ticket from that game is worth a whole lot more than that.
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.
The Professional Sports Authenticator (PSA) company graded this card a PSA 8 Near Mint-Mint (NM-MT) on their 10-point scale, [31] [32] the highest grade given to a T206 Honus Wagner card. Bill Hughes [33] was the official grader of the card, working for PSA at the time. Hughes admitted to knowing that the card had been altered when he graded it.