This looks very much like Sandy (Sandi) Carey, who appeared in a number of early 1970s exploitation films, a few of them hardcore.
http://www.imdb.com/name/nm0137033/?ref_=fn_al_nm_1
I couldn`t find a thread for her here, but a search shows that some of the films she appeared in are on VEF.
http://www.iafd.com/person.rme/perfi...andi-carey.htm
CC