WW2 Metropolitan Special Constable police lapel badge

A good original Second World War period 'Metropolitan Special Constable lapel badge', Crowned circular chromium plated example, the centre bearing 'MSC' on blue enamel ground, the reverse impressed with maker's details 'Firmin London'. Good condition, complete with original buttonhole fitting, no damage to the enamel, minor service wear.
Height approx 29mm.

Code: 67673