Antique Keystone Monarch Stereoscope Viewer Stereograph & 11 Stereoview Cards For Sale

The Antique Keystone Monarch Stereoscope Viewer is a vintage piece from the early 20th century, specifically manufactured between 1900-1924. Made of wood and metal, this original Keystone View Co. product comes with 11 stereoview cards showcasing historical themes, particularly focusing on travel and transportation. With its origins in the United States, this antique stereoscope viewer offers a unique glimpse into the past through its detailed and well-preserved photographic images. Perfect for collectors interested in vintage photography and historical artifacts.