Elbie Fletcher led the league in on-base percentage for three straight years, made the All Star team, then entered WWII after his age-27 season. The bulk of his career was with the Pirates when
Honus Wagner was a coach. Fletcher writes some pretty fun stuff about Wagner's "tall stories" of playing without a glove and sharpening his spikes.
The second letter is Wagner's autograph. Though it wasn't picked up this month, it seemed like a nice place to include it too. Those two pieces and many others can be found on
CooperstownExpert.com.