Per the Comic Magazine Publishing Report issue #168, January 1956 by The Dougherty Co.: On newsstand date: December 20, 1955.
Artist credits revised and verified by Craig Delich (Nov. 2005). Pencil credit previously given to Sheldon Moldoff and inker credit given to Stan Kaye?
in The Greatest 1950s Stories Ever Told (DC, 1990 series) #[nn] ([October] 1990)
in The Greatest 1950s Stories Ever Told (DC, 1992 series) #[nn] (1992)
in Showcase Presents: Martian Manhunter (DC, 2007 series) #1 ([July] 2007)Reprint information from Ted Watson on 27 October 2004. Manhunter first uses his powers to see through walls.