Replica World War 1 Trench Whistle by Buzz Replica World War 1 trench whistle from 1916, the year of the Somme campaign. Authentic artifact with an arrow stamped on it which was used to show this was property of the British Empire. Excellent resource for schools focussing on the centenary of World War 1. This item is suitable for ages 8+ Replica Length - 8cm with lanyard loop.