Original stereo photo from "Collection Stereoscopie, Felix Potin" from the Paris 1900 Olympic Games of the gymnastics competitions labeled "1900 Expo de Vincennts Concours de Gymnastics". Two original B/W photos on an original cardboard box for the stereo viewer (3D effect), 15.7x8.5 cm --Stereo images with sports scenes from the Olympic 1900 competitions are absolute rarities! Stereo images from the World Exhibition are very common because they were popular souvenirs with the corresponding stereo viewers and "around 1900 this (stereo photography) became a popular mass medium in Central Europe" (wiki). The 2nd Olympic Games took place as part of the World Exhibition in Paris! Condition: C