WW2 The Stockport Ring Mills Ltd on war service badge

A scarce original Second World War period 'The Stockport Ring Mills (1919) Ltd on war work wartime badge'; chromium plated hexagon example with white enamel title surround, the centre depicting a black enamel representation of a sea mine, the reverse impressed with maker's details 'Thomas Fattorini Ltd Regent Street Birmingham' and official low issue number '232'. Very good condition, complete with original pin fittings, no damage to the enamel. Height 27mm.