Entrenched Highlanders Stereoview Keystone View Co. 1910s WWI Trench

This original antique stereoview card titled "Entrenched Highlanders on the Lookout Using Mirror Periscope" is published by Keystone View Company. It depicts a World War I scene featuring Scotsmen soldiers stationed in a trench, observing enemy movements safely through a mirror periscope. The image shows the soldiers equipped with rifles and bayonets, standing near a bomb-proof shelter reinforced with sandbags and a blanket meant for gas attack protection. The card is mounted on gray cardboard with the Keystone View Company branding on the left edge and publication cities listed on the right: Meadville, PA; New York, NY; Chicago, IL; London, England. The verso includes a detailed description of the scene, explaining the use of the improvised mirror periscope and gas attack safety measures. The stereoview is part of series 75, position 52 and 81, dating from the early 1900s to 1920s. The card measures approximately 7 inches wide, as shown against the ruler. This historic Keystone stereograph offers a compelling 3D view of trench warfare and the ingenuity of soldiers during WWI. It is an excellent collectible for those interested in military history, vintage stereoviews, and early 20th-century photography.