INERT DEACTIVATED. This is a mint, unfired and complete WW2, British, No 199 Mk IV fuze for the British 3.7 inch anti-aircraft which was the standard heavy anti-aircraft gun used from 1938 throughout WW2. The No 199 fuse was the first fuse used with this gun and was superseded by the clockwork 207 fuze, introduced in later in the war with a running time of 43 seconds. This fuze was subsequently superseded by the proximity fuze. The alloy cap unscrews off the top of the fuze and the two brass powder timing rings come off. The fuze is complete with the detonator assembly and firing pin. This fuse is stamped round the top powder ring 199 IV V2FL. The main body of the fuze is brass and is stamped in scales from 1 to 30 Above this are two powder time rings. Above this is the black bakelite ballistic cap. See British and American Artillery of World War 2 by Ian V. Hogg, pages 107 to 111. The price includes UK delivery and no licence is required to possess these inert rounds in the UK if retained as part of a collection or display. O 2411