Navy League Sea Cadet Corps Keep Watch lapel badge

A good original circa 1940's wartime example worn in civilian clothes in the form of a small Naval Crowned brass badge, bearing embossed anchor and 'Keep Watch' motto inscribed 'Navy League Sea Cadet Corps'; the reverse impressed with maker's details 'W.O.Lewis (Badges) Ltd Birmingham'. Very good condition, complete with buttonhole lapel fitting. Height 23mm.