Jan Tschichold and Edith Kramer wedding card

Classification: 

I’d appreciate your help.

Comments

I'm bumping this a year later to see if I'll have better luck this time.

I'm going to guess Aurora Grotesk, which was designed in 1912:
http://luc.devroye.org/fonts-50647.html

A contemporary sans with a similar feel (and a bit more personality) is Supria:
http://www.myfonts.com/fonts/hvdfonts/supria-sans/

Woolworth nearly nails the numerals, but lacks the fully rounded-over r:
http://www.myfonts.com/fonts/northernblock/woolworth/

Thanks.