This issue is a variant of Action Comics (DC, 1938 series) #904 [Standard Cover]. There exist further variants.
Two covers were initially done for this issue; one by Rocafort with a white background, and a variant one by Ordway with a spaceship background (10 issues for 1 issue mixture).
"Printed by Transcontinental Interglobe, Beauceville, QC, Canada. 8/12/11."
For every ten copies of the standard edition, retailers were allowed to order one copy of this variant edition. The cover contains a promo at the top for "Reign of the Doomsdays" storyline.
Story continued from the previous issue.