Country Joe and the Fish. The Sons of Champlin. Fillmore, San Francisco, California. February 12, 13, 14, 15, 1970. This first printing poster was made before the show in 1970. This is over 50 years old and is in excellent shape, near mint condition. Never displayed before in any way. This poster was only printed one time. 13 47/64 x 21 33/64 inches. We are here to make people happy, thank you for your business.