This is a single-edition Larry McLean with an El Principe de Gales back. There are 6 other advertising backs that appear with McLean which gives this pose 7 unique player/back combinations in the original 1909-11 T206 set.
John Bannerman "Larry" McLean was a 6'5", 228lb, R/R, catcher from Canada, that played 13 years of professional baseball with 5 different clubs. He played 862 games in his career and finished with a .262 batting average, 694 hits, 90 doubles, 26 triples, and 298 runs batted in. He died in 1921 at the age of 39.