Dirk which belonged to Admiral of the Fleet Lord Lewin (1920-1999). The dirk has a lion's head pommel from which is attached a blue and gold dirk knot. The mane extends the length of the back-piece. The white fish-skin grip is bound with three gilt wires. The cross-guard with slightly inversed arms has acorn finials and in the centre is a plaque with a crown and anchor within a wreath. The steel blade is straight, flat-backed with a spear point. It is etched with the crown over GR and a crown over an anchor.
The black leather scabbard has a gilt top and mid locket and a gitl chape with a pronounced shoe. Both lockets are fitted with rings for suspension. Engraved on the top locket: T I LEWIN. There is a steel spring at the top of the back edge of the locket which engages with a hole in the rear quillon.
The number of the scabbard is ZBA4321.1.

Admiral Lewin entered the Navy in 1939 and served in the Home and Mediterrenean Fleets, the Malta and North Russia convoys and the invasion of North Africa. Among other commands after the war, he was Commodore, HM BRITANNIA 1957-58, commanded HMS HERMES 1966-67; First Sea Lord and Principal ADC to the Queen 1977-79; Chief of Defence Staff during the Falklands War 1982. Lord Lewin was Chairman of the Trustees of the National Maritime Museum 1987-1995.