New Era Oakland Athletics Cooperstown Patch Green 59Fifty Cap Enjoy vintage-inspired style and Oakland sporting history with the official New Era Oakland Athletics Cooperstown Patch Dark Green 59FIFTY Fitted Cap. Featuring an old school team logo on the front, the fitted crown is rendered in Dark Green and paired with a flat, yellow visor. 1911 and 1913 WS patches are applied to the rear of the cap, as is the MLB Batterman, while a 1910 WS patch is positioned to the right and a 1929 WS patch to the left.