Original post here. This image was researched by Bacchus at ErosBlog as part of the “Γ commission.” The research was originally published at Hedonix as “Γ 023 – Michelle Angelo’s Ray Gun.” Here is what Bacchus found.
The model in this vintage softcore sci-fi porn photograph is identified here as Michelle Angelo, a 1960s pinup model, topless dancer, and actress in at least three movies according to her IMDB profile. This blog post calls her “The most photographed woman of the 1960s” and is the first in a five-part series of posts that reproduce her photos from numerous adult magazines. A forum post here identifies several B movies and nudist 8mm loops in which she appeared, and shows this same image without identifying its source. A fourteen page thread on another forum with many unsourced pictures offers a post with three more pictures of “Sci-fi Michelle” that seem as if they may be from the same set: