The 1909 E101 Baseball Card Set is also known as the Anonymous "Set of 50" cards. The E101 cards are 1½" by 2¾" in size and unnumbered. The artwork on E101 cards is very similar to both the E92 Dockman & Sons set, and the E105 Mello Mint sets, making it likely that they were all produced by the same company, but what product they were distributed with remains a mystery.
The E101 baseball cards have the phrase "This card is one of a set of 50 Base Ball Players, Prominent Members of National and American Leagues". The 13 Hall-of-Famers included in the 1909 E101 set are: Honus Wagner, Chief Bender, Frank Chance, Ty Cobb, Eddie Collins, Sam Crawford, Johnny Evers, Nap Lajoie, Christy Mathewson, John McGraw, Hughie Jennings, Joe Tinker and Cy Young.
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