WW2 Merchant Navy gilt and enamel lapel badge

A scarce original Second World War period 'Merchant Navy gilt and enamel lapel badge', designed on the same style as the official silver example with Naval Crowned rope edge oval knotted at the base, the centre bearing 'MN' on blue enamel ground. Very good condition, no damage to the enamel, complete with original buttonhole fitting.Height approx 22mm.