Silver Age (1956-1969)

1st Silver Age appearance of the Golden Age (Earth 2) Robin. JSA appearance

1st Silver Age appearance of the Earth 2 (Golden Age) Robin, JLA & JSA cover and story

1st SA appearance of the GA Wonder Woman!

Classic JLA vs JSA cover!

Classic JLA vs JSA cover and story!

Batgirl cover and story! Early appearance, full date stamp

Early Silver Age Batgirl appearance, Justice League and Batgirl cover and story, might make 9.4

1st Silver Age appearance of Red Tornado! 

1st appearance of the Silver Age Red Tornado

Superman, Batman, Flash, Green Lantern, Hawkman, Green Arrow, and the Atom cover and story

Joe Kubert Hawkman and Hawkgirl cover, JLA cover and story

1st Silver Age appearance of the Golden Age (Earth 2) Superman!

1st Silver Age appearance of the Golden Age (Earth 2) Superman! JLA & JSA cover and story

1st SA appearance of the Golden Age Superman, Justice League & Justice Society cover and story

Earth 2 heroes battle their Earth 1 counterparts, 1st meeting of the GA Superman and the SA Superman 

Earth 2 heroes battle their Earth 1 counterparts, 1st meeting of the GA Superman and the SA Superman 

 1st appearance of the Silver Age Black Canary (Dinah Lance)!

JLA cover and story, Joker appears, Snapper Carr betrays the JLA and quits

1st appearance of the Justice League Satelite Headquarters, 1st SA appearance of the Vigilante, JLA cover and story

1st appearance of the Justice League Satelite Headquarters, 1st SA appearance of the Vigilante, JLA cover and story

1st appearance of the Justice League Satelite Headquarters, 1st SA appearance of the Vigilante, JLA cover and story

JLA cover and story, Neal Adams cover art

Neal Adams cover, Justice League cover and story