Quote Originally Posted by Roger Cole View Post
It was definitely sold by the usual darkroom supply places in the US. I think I bought mine from B&H.
This is right. It wasn't just for color copiers - the pearl-surface version sold for regular darkroom use was RC, not polyester as was the glossy version. Roger has already linked to a box of the stuff. Here's a data sheet from 1992:

http://www.21gradi.it/Public/Ilfochr...rl%20Paper.pdf