This is Pyramid, typed with an IBM Selectric Composer. Please upload this image to Fonts In Use where it will be our first example of this typeface in the real world!
At least one weight of it has been digitally revived.
Ah, good find. I wasn't aware of that. Funny that they credit Rudolf Wolf as a designer. Pyramid really wasn't a version of Memphis — it only vaguely resembles it. It has more to do with Rockwell.