PSA/DNA, a division of publicly held Collectors Universe , is the world's leading and largest third-party sports card authentication service. Spence's years of expertise and knowledge in the trade ...
SANTA ANA, Calif., Feb. 2 (UPI) -- Footballs used in the upcoming Super Bowl game will be marked with synthetic DNA to foil memorabilia counterfeiting, company officials say. The sports memorabilia ...
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