Lightning Lad and Saturn Girl are in their present-day costumes on the cover, not the costumes they wear in the flashback story it reflects.
Lettering credit from reprint in Legion Archives.
In the sequences related to Superboy's initiation tests, the Legionnaires are wearing their classic Silver Age costumes, not the versions they wore in the actual story.
Lettering credit from reprint in Legion Archives.
Excerpts from letters.