1.438x2.625". 1909-11 T206 Baseball is called "The Monster" for good reason. It's one of the most widely-collected sets of any era. T206 also contains the single most famous card in the hobby, one recognized even by non-collectors. While most cards are easily obtained, the release has some very scarce options, with 16 back varieties in all, that are led by the nearly-mythical Honus Wagner card.

William Johnston Clymer (1873-1936) nicknamed "Derby Day Bill", was an American professional baseball player and manager. He played in Major League Baseball as a shortstop in 1891. After his playing career, Clymer became a successful minor league manager.