Cap Badge - Army Pay Corps, circa 1902 - 1920 This badge was sold by Jim Purdy for $20.00 on e-Bay in the Spring/Summer of 2017. This badge was deemed irrelevant to the museum. The money was used to purchase relevant badges for the collection. The Title reads APC in intertwined lettering with a King's crown. The Royal Army Pay Corps (RAPC) was the corps of the British Army responsible for administering all financial matters. It was amalgamated into the Adjutant General's Corps in 1992.