This image comes from the Playboy website. Weirdly it is "touched up" as the crease in her back has been removed. https://www.playboy.com/read/sexier-at-home-1950s
Again, this comes from the Playboy website (the page it's from is no longer online) and has been digitally "touched up" in this case removing her areolas https://web.archive.org/web/20180407195141/http://www.playboy.com/galleries/50-playmates-from-the-50s