R.M.L. Highland Patriot shipping line silver ships wheel badge 1940 sunk U-38 submarine

A scarce original 1932 -1940 period 'Royal Mail Lines RML Highland Patriot ship's wheel pin brooch', small size fine quality example mounted to the centre with the companies house flag; the reverse impressed 'SILVER'. Very good condition, complete with original pin fittings, no damage to the enamel.Diameter approx 23mm.