credit Courtesy of RetroRaunch.com How many nude models does it take to change a lightbulb? Photo taken before 1920. credit Courtesy of RetroRaunch.com Kink was alive and well in 1930. credit Courtesy ...

This photograph hints at the delights in store for fans of pre-1920 hard core. View Slideshow Editor's Note: Some links in this story lead to adult material and are not suitable for viewing at work.