Military Provost Staff Corps

British Military Insignia

Military Provost Staff Corps Cap Badge .

Original badge with Kings Crown. GR-VI cipher, used 1936-1952.

The Kings Crown was worn from 1902 to 1952, representing the reigns of several Kings.
The Queens Crown of Elizabeth II was worn from 1953 to 2022.

An original item:

All reasonable offers will be considered

References:

Head-Dress Badges of the British Army by Kipling & King.