.38 Colt M1902 military model pistol, serial no. 38109 was formerly the property of Sir Arthur Conan Doyle deposited with solicitors in 1921
Lot 1025 Holts Auction 20th September – F A . Via https://www.invaluable.com/auction-lot/formerly-the-property-of-sir-arthur-conan-doyle-c-1025-c-c834b8cab3 Invaluable