***SOLD*** First World War Trench Periscope & handle. Optical periscope with brass body, right angle projection with eyepiece and focus, detachable wooden handle with ferrule and screw thread attachment, back of main optical sight shows specifics – PERISCOPE MK IX 1917 R J BECK LTD NO. 8443. This came to us from a former Australian officer’s medals and effects some years ago and is in excellent condition, being a fine quality made piece of trench optics.