Need help identifying a headline font from 1982 documenta 7 Kassel poster by Joseph Beuys

[monospacer]

Hi Everyone,

I'm hoping someone can help identify the headline typeface (KUNST=KAPITAL) used in this documenta 7 poster by Joseph Beuys. Any help would be greatly appreciated.

Thank you!

[Ralf Herrmann]

Seems to be Schwere Block from the Berthold Block family. 

Digital: https://www.myfonts.com/de/collections/berthold-block-w1g-font-berthold

[monospacer]

This is great! Thank you so much!