Indicia reads: "Super-Star Holiday Special, Spring, 1980. (DC Special Series, Vol. 4, No. 21)." Cover date: April.
On sale date from the 1979 Library of Congress copyright records (cocatalog.loc.gov
). Date given as December 6 in Comics Journal #51, DC Coming Attractions #37, and a house ad in Superman #345. Date given as December 4 in Comic Reader #175.