The on-sale date is from the publication date recorded in the Catalog of Copyright Entries, Third Series, Vol. 2, Part 2, No. 1, Periodicals, January-June 1948.
The original index credits Pfeufer, while the reprint credits Fujitani.
Writer and art credits verified by Swayze in Alter-Ego #10 (September, 2001).
Swayze, in Alter Ego #27 (August, 2003) verified in his column that the Black Flamingo was in this story, so the villain has been added back into the characters section.
Penny Graves text story.