I forgot all about Semper Fi. How many issues did Severin do?
Gotta pick them up.
Severin was a prodigious talent, but sadly always overshadowed by even better artists like Wally Wood at EC or artists with more flamboyant styles like Jack Kirby at Marvel.
If you look at the Witchfinder mini-series he recently did at Dark Horse, he still had the right chops as an octogenarian.

 Irony and subtly are the first casualties in the eternal battle of wits between people divided by a common language. So read between the lines or you'll fall through the cracks...

....Quoting other people is no substitute for thinking for yourself...

Do you dare enter where angels fear to thread: Comicidal Maniac -  Mystic Master of the Martial Arts - SWords of Sorcery