Foreign Coins and Medals, South Africa, George V and VI, 2½ shillings (3): 1936; 1939; 1950, proof, crowned bust/bare head l., rev. crowned shield divides date, value below (KM.19.3/30/39.1), all certified and graded by NGC as AU55; AU50 and PF66 respectively (3) (50 - 60 GBP)