WW2 Civil Nursing Reserve silver & enamel nurses badge

A good Second World War period 'Civil Nursing Reserve' home front silver badge inlaid with red and blue enamel, the reverse stamped in relief 'Sterling Silver' and with maker's details 'H.W.M' (H.W.Miller Birmingham). Very good condition, retaining original pin fittings, no damage to the enamel. Height 31mm.