On sale date from the publication date reported to the U.S. Copyright Office found in the Catalog of Copyright Entries, Part 2, Periodicals, 1943, New Series, Volume 38, Number 2. Class B periodical. Copyright registration number 569382.
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Art revision from Al Carreno to Moldoff per P.C. Hammerlinck's belief from interviews conducted personally with Moldoff, the last of which appears in Alter Ego #119 (August 2013).