Oakland Athletics First Mascot – Charlie O the Mule New Era 59Fifty Fitted Hat (Green Gold Gray Under Brim) Size:7 7/8 This is one of the

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This Colorado Avalanche 59FIFTY New Era Fitted Cap features the new "Radiant Red"

Oakland Athletics First Mascot – Charlie O the Mule New Era 59Fifty Fitted Hat (Green Gold Gray Under Brim) Size:7 7/8 This is one of theFirst 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.