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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.
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RR Auction is an auction house established in 1976 by Bob Eaton. The company headquarters is in Boston with a production office based in Amherst, New Hampshire. [1] The company is known for its monthly auctions of historical documents, manuscripts, autographs, artifacts, sports collectibles, spaceflight memorabilia, presidential items and more. [2]
Autograph collecting is the practice of collecting autographs of famous persons. Some of the most popular categories of autograph subjects are politicians, military soldiers, athletes, movie stars, artists, social and religious leaders, scientists, astronauts, and authors.
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 ]
There will be more free autograph opportunities on Saturday, June 1, with WeatherTech SportsCar Championship series drivers from 1 p.m. to 1:30 p.m. and with INDY NXT racers from 2 p.m. to 2:30 p.m.
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.
James Beckett was a statistics professor before launching Beckett Media. [3] In the 1970s, Beckett introduced some of the initial price guides for the baseball card industry, providing more detailed information on specific card prices compared to the newsletters that collectors were accustomed to. [4]
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