3” with metal back and bar pin. Curl text reads “© 1967 RKO General, Inc./Jomar Productions, Inc./Hanna-Barbera Productions, Inc.” This button promoted a half-hour animated series shown in syndication September 1967 to June 1968. The cartoons were produced jointly by the groups named on the curl. Abbott supplies his own voice to his character but since Costello had passed away his voice was performed by Stan Irwin. There was also a comic book series based on the TV show. Only the second we’ve seen and NM displaying Mint. Also see Abbott & Costello 1939 World’s Fair Button #730.