I think you’re right about its Century-ness. Nick Shinn’s Worldwide is a close match.
http://www.shinntype.com/
http://www.myfonts.com/fonts/shinn/worldwide/
Looks very close to Modern 20 — http://www.myfonts.com/fonts/bitstream/modern-no-20/ — slightly squooshed.
My vote is Century 725 (a.k.a. Madison) Condensed.
- Mike Yanega
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