Boat badge HMS Danae 1918. Official design. On a field black, a castle gold. Pentagonal shape with rope twist border. Design cannot have been in use before 1919. 'DANAE' on reverse. Cast brass, painted, drilled at corners. Danae, according to Greek myth, was imprisoned in a brass tower to prevent her bearing children, but Zeus impregnated her in the form of a shower of golden rain. A notation in the Ship's Badges Committee minutes for 1919 warns against portrayal of the rain.