Watch List notes:

(x) PCGS MS64 | Saudi Arabia, Reform Coinage, Error 5-Halala, AH1392 (1972), (KM 46) struck with two reverse dies, uncirculated, very rare mint error, in PCGS holder, graded MS64 (Cert. #E238281.64/35459236).

Estimate: £1500 - £2000