Parts, and more parts. Here's what I have (COVERS ONLY):
Superman 5, 6, 12, 14, 24
Captain Marvel Adventures 6, 18
Master Comics 21, 22, 28
Spy Smasher 3
Whiz Comics 4
Captain America Comics 15, 31, 34
Marvel Mystery Comics 52
Miss Fury 3
Pep Comics 25
Suspense Comics 1, 4
Blue Beetle 10, 11
Mystery Men Comics 7, 12, 27, 29
Wonderworld Comics 14, 15, 28, 29
I prefer trades. I am looking for the back cover to any DC cover dated "Jan 1940." This is the back cover with an ad for Superman 3 on the interior side. I am also looking for any of the following covers or incomplete issues: USA Comics 2, Captain America Comics 71, Detective Comics 15, 18, 21, 22.