Watch List notes:

(x) Sultanate of Muscat and Oman, colour trial 10 rials, ND (1970), prefix A/1, dark blue and multicoloured, arms at right , reverse blue-green, Mirani fortress in Muscat, (Pick 6ct, TBB B106t), in PCGS holder 67 PPQ SUPERB GEM NEW.

Estimate: £1,000 - £1,500