Watch List notes:

(g) Muscat & Oman, Sultan Sa'id bin Taimur (1932-70), gold proof 3-Coin Set , AH1390 / 1970, 100-Baisa, 50-Baisa, 25-Baisa, in original red presentation box (KM PS 4, containing KM 39a, 40a, 41a), proof uncirculated (3).
Low mintage of only 350 sets.
Struck by the Royal Mint just before Sultan Sa'id Bin Taimur was ousted by his son in 1970.
Estimate: £2000 - £3000