Automatic pistol owned by Admiral of the Fleet, the Viscount Jellicoe 1859-1935. The stock is made of blued steel with rubber grips. The butt incorporates the magazine which holds seven cartridges. The back of the slide is vertically fluted on both sides to afford a grip when cocking. The lock is semi- automatic, blow-back with automatic ejection. Rounds are thrust upward into the breech by this magazine spring when the action is to the rear. After cocking for the first round, the weapon is automatically reloaded. The barrel is steel, and for the most part enclosed within the slide. The calibre is 0.32in. The pistol is inscribed 'FABRIQUE NATIONALE D'ARMES de GUERRE HERSTAL BELGIQUE BROWNING'S PATENT DEPOSE' with proof marks on the left side slide and action, and '177325' (serial number).

John Rushworth Jellicoe entered the Navy in 1872; Midshipman 1874; Sub Lieutenant 1878; Lieutenant 1880; Commander 1891; Captain 1897; Rear Admiral 1907; Vice Admiral 1911; Admiral 1915; Admiral of the Fleet 1919; Died 1935. Admiral Jellicoe was given command of Grand Fleet in 1914 and led it against the German High Sea Fleet at the battle of Jutland in May 1916. He gave up command the following November and became First Sea Lord. He ceased to be First Sea Lord in 1917 and was created Viscount of Scapa the same year. From 1920-1924 he was Governor of New Zealand. He became First Earl Jellicoe and Viscount Brocas of Southampton in 1925. His uniform and decorations are also in the NMM together with his City of London presentation sword WPN1231.