The on-sale date is from the publication date recorded in the Catalog of Copyright Entries, Part 2, Periodicals, 1942, New Series, Vol. 37, No. 2.
Originally credited to "Harry Ramsey ?", who is also credited to Edison Bell by Jerry Bails' Who's Who, but the artist here is the same as on the Edison Bell story, Harold DeLay, and he is credited to both Edison Bell and covers 1941-45 by Jerry Bails' Who's Who. His name is spelled De Lay by Jerry Bails.
credits and title from Craig Delich 9/05
data from Craig Delich 9/05