Watch List notes:

BHUTAN: platinum proof set, 1966, KM-PS3, 40th Anniversary of the Accession of Jigme Wangchuk, comprising KM-33a (1 sertum), KM-34a (2 sertums), and KM-35a (5 sertums), only 72 sets authorized, APW 2.404 oz, all in gem proof condition, in original case of issue, set of 3 platinum coins, RR.

Estimate: 3,250-3,750 USD