SOLD Adventure Comics Featuring Superboy - key first appearances!

Vintage comic from the 1960’s Full-length Legion stories begin. Cover pencils by Curt Swan, inks by George Klein. First appearance of Karate Kid, Princess Projectra, Ferro Lad, and Nemesis Kid in One of Us Is a Traitor!--Tales of the Legion of Super-Heroes, script by Jim Shooter, pencils by Jim Shooter (1st professional work by Jim Shooter at age 14), inks by Sheldon Moldoff; The Legion accepts 4 new members, but one appears to be a Khundish spy