Watch List notes:

Sultanate of Muscat and Oman, 10 rials, ND (1970), serial number A/1 83159, brown on multicolour underprint, arms at right, value at centre and top left and right, reverse red, Mirani Fort at centre,(Pick 6, TBB B106), PMG 66 EPQ, gem uncirculated.

Estimate: £400 - £600