This is a single-edition Ossee Schreck with a Piedmont 350 back. There are 8 other advertising backs that appear with Schreck which gives this pose 9 unique player/back combinations in the original 1909-11 T206 set.
Ossee Freeman Schreckengost (name shortened to Schreck due to a lack of space to spell his complete name in box scores) was a 5'11", 180lb, R/R, catcher from New Bethlehem, Pennsylvania, that played 11 years of professional baseball with 7 different clubs. He played 895 games in his career and finished with a .271 batting average, 829 hits, 136 doubles, 31 triples, and 338 runs batted in. He died in 1914 at the age of 39.