WW1 On War Service 1916 womens munition workers numbered badge Wylie & Co London

A scarce original First World War official issue '1916 women's Munition Workers brass trianglular pin badge' bearing George V Crown to voided centre with 1916 below, the reverse impressed with maker's details 'Wylie & Co. London' and official issue number '335634'. Very good condition, complete with original heavy duty substantial pin fittings.Height approx 38mm.