1900 Paris Expo Stereo Viewcards

1900 Exposition Universelle De Paris: stereo Viewcards: the series 'Collection Stereoscopique, FeLix Potin': a Part Set of 27 different, the stereoscopic photographs in black and white showing views of the Universal Exhibition 1900 in Paris, mounted on uniform, stiff, orange cardboard, each 6.89 in. x 3.50 in. with a number and a caption in each left hand photograph, no other text.