This is a single stereoview card published by the Keystone View Company, a leading manufacturer known for its extensive catalog of stereographic images. The card number is 18776, titled "Captured German Guns, Place de la Concorde, Paris, France." The front image shows numerous captured German guns displayed prominently in front of historic Parisian buildings. The view captures the Place de la Concorde, a significant and historic center of Paris.
The back of the card provides detailed descriptive text about the location and historical context, mentioning notable figures such as Louis XVI, Marie Antoinette, Robespierre, and others associated with the Place de la Concorde. It also references various historical events and landmarks, including the Egyptian Obelisk and the nearby Rue Royale, Madeleine, Notre Dame Cathedral, and the Arc de Triomphe. The card is copyrighted by The Keystone View Company and includes a series/position table with the series numbers 36, 48, 100, 200, and 300 and positions 92, 187, and 282. The card measures approximately 7 inches wide by 3.5 inches high as indicated by the visible ruler in the images.