This model compass was manufactured by Cruchon & Emons of France. It is a prismatic Verner’s Pattern Compass Mk VIII. Verner Patter VIII were widely used during the First World War. Verner’s pattern is based on Charles Augustu Schmalacarder’s patent. The main difference between the VIII and the model below is that the clasp used for closing the lid in the 4 o’clock position automatically lifts the dial. The solid brass construction measures approximately 5.5cm in diameter and 2cm thick with a hinged cover that is engraved to the perimeter "Engineer Corps" and "U.S." and to the bottom is engraved "C.E." ,"No 53020" and "1918." The lid folds back to reveal a aluminum floating face with a black painted center with markings to the inside and outside of the face. Seems to work fine. Included is a dark brown leather pouch that is embossed under the flap "Modele Depose". A bent wire hook is under the belt loop, but is not secure. Of Note: These were widely issued to officers in France. They were manufactured during the War in Switzerland for the U.S. Army.