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PC-T206The picture is of the Mobile Bears, and it indicates they were the "champs". So, as noted above, the postcard is from 1922 (the Bears won the Southern League that year) or possibly 1923 (picturing the 1922 team).
I also see two more names on the back that could be players from the T206 set:
Schulte -- Frank "Wildfire" Schulte
Mullen -- George Mullin (often mispelled as Mullen)
Hard to say if those two are among the players depicted, but both would have been about 40 in 1922, so it is possible. Schulte played the end of his career in the minors in 1922, but I don't know if he played for the Mobile Bears. Mullin was finished at the major league level in 1914-15, and I don't know if he played in the minors after that.