WW1 On War Service 1914 munition workers numbered badge D.G.Collins

A good original First World War period circular brass badge with central Crown within blue enamel title surround 'On War Service 1914'; the reverse impressed with scarce maker's details 'D.G.Collins London A' and issue number '10608'. Very good condition, complete with original buttonhole fitting, enamel with minimal service wear.
Diameter approx 26mm.

Code: 71070