THE YEAR WAS
The Actual, Uncensored Story Behind The Origin Of... Kent Blake
Written by Joe Sinnott(pencils), Hank Chapman(writer), Tom Gill(inks)
1st of 3 adventures from Issue #1 - 8 pages - Communists kidnap a US Senator and replace him with a double to cast a No vote on a super-tank bill. He is unmasked by Kent Blake. Story also contains the origin of Blake as told by his boss.
Here are the pages I have of it.