Bhutan, 40th Anniversary - Accession of Jigme Wangchuk, Commemorative Coins (1926-1966), Copper-Nickel, Set of 4 Coins (25 & 50 Naya Paise, 1 & 3 Rupee), 1966, Royal Mint, Obv: crowned bust to left, legend and date around, Rev: intricate flower within circle, divides date and denomination below, intact in cardboard packed in black rexin box, superb quality, proof, Rare.