National Union of Mineworkers Derbyshire NUM Centenary badge.

A scarce original 1990 National Union of Mineworkers centenary 'Derbyshire. N.U.M. 1880 -1990 badge'; small circular gold chromium plated example inlaid with red and white enamel, clasped hands to the centre with '100' above. Very good condition, retaining original pin fittings, enamel perfect. Diameter 20mm.