1939 Worker For Dorset Comforts home front voluntary knitter badge

A scarce original early Second World War period well designed 'Worker For Dorset Comforts 1939 celluloid tin button badge', red printed title surround, the centre displaying in blue, a pair of crossed knitting needles and a ball of wool on cream background. Very good condition, complete with original pin fittings, spot of foxing front and back. Diameter 25mm.