On sale date from the publication date reported to the U.S. Copyright Office found in the Catalog of Copyright Entries, Third Series, Volume I, Part 2, Numbers 1 and 2, Periodicals, 1946-1947. Class B periodical. Copyright registration number B11370.
Inside front cover.
Pencils previously credited to Sam Citron. Based on Martin O’Hearn's blog:
http://martinohearn.blogspot.com/2012/03/superman-riss-or-citron.html and comparing this story to Citron’s known work on Classics Illustrated 10 [HRN 140] and the DC Mr. District Attorney series, this art credit has been changed to Pete Riss.
Writer identification by Bob Hughes.