1.5x2.625". The 1910 Old Mill T210 complete set consists of 640 cards. The T210 is unique for a number of reasons. For example, the total complement makes it the largest 20th century tobacco-issued baseball series. Furthermore, it is comprised of eight different series, each one representing a different minor league. The set is immediately identifiable due to its distinctive red borders that surround a sepia likeness of the ballplayer; his surname and team are noted in black print at the bottom. Card backs include identification of the series number and Old Mill Cigarettes brand name.

Hogan Lowndes Yancey (1881 - 1960) was an American football and baseball player and attorney. He was a one-time mayor of Lexington, Kentucky. Yancey attended Transylvania University (then Kentucky University). Yancey was a second-team All-Southern fullback on the football team. He played baseball in the minor leagues for several teams