Watch List notes:

(x) Central Bank of Oman, 10 Rials, 1987, serial number B/1 509794, dark-brown, maroon and blue on multicolour underprint, Sultan Qaboos bin Sa'id at right with lilac headdress, also as watermark, Fort Mirani on reverse, (Pick 28a, TBB B216a), in PMG holder, 64 EPQ Choice Uncirculated.

Estimate: £170 - £220