Jack Armstrong, the all-American boy, was the hero of a radio serial from 1933 to 1951. The program was started at the radio station WBBM in Chicago and was eventually broadcast on CBS before moving to NBC and, finally, ABC. Premiums were offered to the listeners until the mid-1940s. Jack Armstrong's best-known endorsement is for Wheaties. For more information, explore our identification guides for advertising and toys.