From the letter column for Star Spangled War Stories #126 (April-May 1966):
“RK” being “Robert Kanigher,” natch. (Fake letter run to help dissuade similar letters from pouring in, or real reader comment pulled out and used as a lesson in what editors don’t want to see? No idea.)
From the same issue, an in-house ad that, I can only assume, resulted in the highest sales ever for any issue of Metal Men:
I vote “hotcha.” I mean, who doesn’t like hotcha?