WW2 Royal Ordnance Factory ROF 21 munition war workers badge

A scarce original Second World War period brass badge for the 'Royal Ordnance Filling Factory 21, the reverse impressed with maker's details 'T.L.M. Ltd B'Ham' and with official low issue number '354'. Very good condition, complete with original buttonhole fitting.
Diameter 31mm.

Royal Ordnance Factory with numbers were introduced from the middle of 1940, but their issue was ceased around 1942 because of metal shortages.

Code: 62297