Vtg 1930s Stereoview KEYSTONE Junior Stereograph , 100+ Photo Cards WBox (Set1

vintage Keystone View Company stereoscope viewer, a "Junior" model, used for viewing stereoscopic cards to create a 3D effect. Type: Keystone View Company Stereoscope Viewer Used to view stereoviews or stereograph cards, which are pairs of nearly identical images, to create a three-dimensional illusion. Era: These viewers were popular in the late 19th and early 20th centuries, with Keystone producing models like the "Junior" around 1933. There are over 100 card from various locations. Also included with this us the original box.