Black and white photograph on green background of actor William Boyd as the film character Hopalong Cassidy. Black text along button portion of button.
Hopalong Cassidy was a cowboy hero character created by Clarence E. Mulford in 1904. The character was featured in film, television, novels, radio, comic books, and even a short-lived 1950s theme park in Los Angeles. Hopalong traveled with his horse, Topper, and two companions.