Watch List notes:

OMAN: Qaboos bin Said, 1970-2020, 2-coin proof set, AH1397, KM-PS4, Wildlife Conservation series, set includes silver 2½ rials (Caracal) and 5 rials (Arabian White Oryx), struck by the British Royal Mint with COA and original case of issue, set of 2 coins.

Estimate: 150-250 USD