British Military Insignia
Royal Military College Sandhurst Cap Badge
Original badge with Kings Crown.. GR-VI cipher. Worn 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.