I doubt if either Beverly or Gloria did the forgery. It’s not as easy as you think.
Hillary knows plenty that can do it
All it takes is a piece of glass on a box with a light inside to create a lightbox. Lightboxes were used extensively by graphic artists to trace stuff before Photoshop came along. As crude as this was done, I would say it was the accuser wh presented it to Gloria and Gloria still has the hook in the corner of her mouth.