This costume was worn by actor George Reeves (1914-1959) on the syndicated television program, "The Adventures of Superman" (ca .1952-1958.) It was the first television show to feature the superhero, first introduced in Action Comics No. 1 in 1938.
Sent to Earth after the destruction of his home planet, Superman uses his special abilities - including super-strength and flight- to fight for "truth, justice and the American way." Superman took his fight to television at at the height of the Cold War against communist expansion.