There is a FWRR Poster on ebay, not sure if it is original, seller says it is and will refund if not
http://www.ebay.com/itm/152561250850?
_trksid=p2055119.m1438.l2649&ssPageName=STRK%3AMEBIDX%3AIT
FWRR Poster for sale on ebay
Re: FWRR Poster for sale on ebay
The originals were lithographs, not posters. Can't tell if this is a litho.