Watch List notes:

HEJAZ & NEJD: 'Abd al-'Aziz b. Sa'ud, 1926-1953, AR ½ riyal, Makka al-Mukarrama (Mecca), AH1346, KM-11, harshly cleaned, two-year type, rarest denomination of the set of three pieces, VF, R.

Estimate: 225-275 GBP