This product is an original WW1 issued 1914 trench whistle with the HUDSON patent, Featuring the crows foot, making it a rare and valuable collectable item for militaria enthusiasts. Produced in Great Britain during the era of World War I, this whistle was used by the Army and holds historical significance as a piece of field gear from the conflict. With its unique design and authenticity, this trench whistle is a fascinating piece of military memorabilia that offers a glimpse into the past of the Great War.