Justice League of America #22 (DC, 1963)

For the second part of the first ever JLA/JSA team-up, Murphy Anderson reworked his own cover design for Mystery In Space #18 from 1954. This cover features the Green Lanterns of two Earths attempting to free heroes from both Earths. Earth-1 Roll-Call: GL (Hal Jordan), Wonder Woman, Flash (Barry Allen), Martian Manhunter, and Green Arrow! Earth-2 Roll-Call: GL (Alan Scott), Black Canary, Flash (Jay Garrick), Hawkman, and Doctor Fate!