WW2 Royal Ordnance Factory 4 munition workers pin badge

A scarce original circa 1940 to 1942 warime period 'Royal Ordnance Factory 4 munition workers brass pin badge, bearing the 'Board of Ordnance' shield to the centre; the reverse impressed with maker's details 'T.L.M. Ltd B'Ham' (Thomas Lyster Mott Vyse Street, Birmingham) and official issue number '4814'. Very good condition, complete with original pin fittings.
Diameter 31mm.

Code: 64771