Oakland Athletics First Mascot – Charlie O the Mule New Era 59Fifty Fitted Hat (Green Gold Gray Under Brim) Size:7 7/8 BLACK & Purple Under Brim

BLACK & Purple Under Brim

This New Era retro Cap is from 1924

Chicago Cubs 1908 World 59Fifty New Era Fitted Hat in RealTree Camo

Los Florida Marlins 1993 Inaugural New Era 59Fifty Fitted Hat in SeaWeed Green

Boston Red Sox Red Sock Patch New Era 59Fifty Fitted Cap in Woodland Camo

Oakland Athletics First Mascot – Charlie O the Mule New Era 59Fifty Fitted Hat (Green Gold Gray Under Brim) Size:7 7/8 BLACK & Purple Under BrimFirst Mascot Charlie O the Mule Oakland Athletics Oakland Patch New Era 59Fifty Fitted Hat in Green, Gold and Gray Under Brim. Charlie O the Mule was the mascot used by the US baseball teams Kansas City Oakland A's from 1965 to 1976. Charlie O the Mule was purchased from Harold Sloan a small town farmer and muleskinner from Osborn, Missouri. The mule was named after Charles O. Finley, the team's owner at the time.