This is almost certainly custom stationary; we called it Letterhead. Even before computers. You get it from a print shop, you roll it into your typewriter, and

This is almost certainly custom stationary; we called it Letterhead. Even before computers. You get it from a print shop, you roll it into your typewriter, and start typing. And try not to waste it, it's expensive! https://en.m.wikipedia.org/wiki/Letterhead https://en.m.wikipedia.org/wiki/Letterhead