Description Vintage Pin Up Mature Girl Picture Art Print. The term vintage pin-up was coined in 1941 and became very popular throughout the 50s and 60s. These pin-up girls were beautiful and sexy. Pin up Girl Signs are Great Garage or Man cave Signage. Pin-ups were printed in magazines, newspapers, post cards, lithographs, and some girls even got their own posters. These just happen to be real model photos that turned into the actual pin-up poster.