Tom Seaver Signed 1969 Hall of Fame Cachet Envelope (JSA COA) Mets, Reds, W SoxThis autographed cachet envelope has been personally hand signed by Tom Seaver of the New York Mets. This autograph is certified by James Spence Authentication (JSA). It comes with the numbered hologram and matching Certificate of Authenticity. George Thomas Seaver, nicknamed "Tom Terrific" and "the Franchise", was a pitcher who played 20 seasons in the Major Leagues for the New York Mets, Cincinnati Reds, Chicago White Sox, & Boston Red Sox. He was