This issue is a variant of DC Special Blue Ribbon Digest (DC, 1980 series) #21 [Direct].
On-sale date from Comic Reader #199.
Inside front cover.
Script credited to Kanigher on first page.
Credits for script, pencils and inks confirmed from Julius Schwartz's editorial records, provided by DC Comics. Schwartz kept editorial records for Robert Kanigher, who edited Star Spangled War Stories #124 where this story originally appeared.
Inside back cover.