Watch List notes:

BHUTAN: AV proof set, 1979, KM-PS7, Accession of Jigme Singye Wangchuk, comprising KM-51 (1 sertum), KM-52 (2 sertums), and KM-53 (5 sertums), 1000 sets authorized, AGW 1.884 oz, all in proof condition, in original case of issue, set of 3 gold coins, R.

Estimate: 2,800-3,250 USD