Vtg 60s 1967 68 St Louis Cardinals Button Pinback World Series Bravo El Birdos.  Vtg 1967/68 St Louis Cardinals Bravo, Bravo, El Birdo Souvenir Button/Pinback.  Some stains and indentations/scuffs on front of button/Pinback.  Wear and rust on back of button/Pinback.  Measures 3.5” x 3.5”.