Can anyone identify this one?
looks like it's extended...
it's being hard to find one that matches both the 'C' and the 'K'...

How about Avant Garde Mono?
http://www.myfonts.com/fonts/ef/avant-garde-mono/
It reminds me of Corporate S from Berthold.
Captured from commoncrawl.org on 26 Apr 2015. original URL