Watch List notes:

(x) Central Bank of Oman, specimen 1/2 rial, 1987/AH 1408, zero serial numbers, green, purple and multicoloured, Sultan Qaboos bin Said at right, arms top centre, signature of Sultan Qaboos bin Said low centre, reverse green, Sultan Qaboos university, (Pick 25s, TBB B213as), in PCGS holder 64 Very Choice New, minor mounting traces. This series much rarer, only two examples listed in Track and Price at time of cataloguing.

Estimate: £700 - £900