Muscat, Oman, Central Bank, 50 rials, AH1405 (1985), series B/1, certified PMG Gem UNC 66 EPQ. SCWPM-30a. Serial 774495. Beautiful, colorful note with Sultan Qaboos bin Sa'id on the obverse and Jabreen Fort on the reverse, scarcer date compared to the 1992 issue. PMG #2504479-001. (Estimate: $500 - 750)