That is awesome!

Looks like some Letraset rub-down. Not very helpful, but I wanted to comment.

I think I found it in my Letraset-catalogue-pdf. It’s called ROCO.

Here it is:

Here is more of the same stuff. Very inspiring for all you typophiles, as well as hip-hop phanatics. The artist of the flyer is Buddy Esquire, a real master of lettering.
http://www.toledohiphop.org/images/old_school_source_code/
Enjoy

And this thread reveals digital (uppercase) substitutes for Roco.

wow incredible knowledge dropped as usual. thanks!