The only place I've ever seen this woman is in the old previews on inbondage.com (a more-or-less defunct bondage site). They have her labelled only as "Foxy". It'd be great to find out who she is after all these years.
Thanks for the thought. I'm pretty sure it isn't her though. Here are some pictures of her with no gag in that I found last night using Google (still only have the name Foxy):