Coins of BHUTAN, Maharaja Jigme Dorji Wanchuck (1952-72): Gold Proof Set 1966, struck to mark the 40th Anniversary of the Coronation of his Father, 5-Sertums, 2-Sertums, 1-Sertum, contained in a red plush lined leather case (F 1, 2, 3). Mint state. struck at the Royal Mint, London (3pcs) Estimate: US$1,200-1,500
