The on-sale date is from the publication date recorded in the Catalog of Copyright Entries, Third Series, Vol. 1, Part 2, Nos. 1&2, Periodicals, 1946-1947.
Inker revision from Max Elkin ? to ? by Craig Delich 2013-5-15. The Who's Who doesn't indicate that Elkins did anything but pencils on this feature.
Artist revision from John Rosenberger ? to ? by Craig Delich 2013-5-15. The Who's Who doesn't indicate that Rosenberger did anything but romance pencils from 1949-50 for Quality Comics and no art for this feature.