An on sale date of January 3, 1974 was found in a promotional advertisement within Hot Stuff, the Little Devil (Harvey, 1957 series) #121 (March 1974).
On sale date from the publication date reported to the U.S. Copyright Office found in the Catalog of Copyright Entries, Third Series, Volume 28, Part 2, Periodicals, January-December 1974. Copyright registration number B915647.