Union-Castle Shipping Line ships wheel badge by Emanual Southampton

A good original circa 1940's period 'Union-Castle Shipping Line small gilt pin brooch', the Union-Castle Line company enamelled flag mounted to the centre of a green enamel ship's wheel; the reverse impressed 'Emanual Southampton'. Good condition, complete with original pin fitting hook an old replacement, green enamel with minor flaws to right wheel.Diameter approx 21mm.