Watch List notes:

(x) Sultanate of Muscat and Oman, colour trial 1 rial saidi, ND (1970), serial number A/1 000000, blue and multicolour underprint, arms at right, value at centre and top left and right, reverse blue, Nizwa Fort at centre, small black SPECIMEN overprint and one cancellation hole(Pick 4ct, TBB B104t), in PCGS holder 66 PPQ GEM NEW, scarce.

Estimate: £400 - £600