Impressive tech for the year 1953!

A vintage black-and-white movie poster for "Glen or Glenda" features a split-image of a muscular figure with male and female body parts. The poster includes sensational headlines like "I CHANGED MY SEX!" and "STRANGE LOVES... OF THOSE WHO LIVE AND LOVE BUT CAN NEVER MARRY!" with smaller photos of scenes below. An "ADULTS ONLY!" warning is visible in the lower-left corner.