Watch List notes:

(g) Oman, Sultanate, Qabus bin Sa'id (1970- ), proof gold 3-Coin Set, AH1394 / 1974, 100-Baisa, 50-Baisa, 25-Baisa, in original red presentation box (KM PS 1, containing KM 45, 46, 47), proof uncirculated (3).
Low mintage, only 250 struck.
Estimate: £2000 - £3000