Watch List notes:

(x) Saudi Arabia, Monetary Agency, 500 riyals, 1983, serial number 280091, purple and green on multicolour, courtyard at left, King Abd al- Aziz Ibn Saud at centre, the reverse shows the courtyard of the Great Mosque, correct text, signature 6, also 2 notes from the commemorative issue of 2000, 20 riyals, serial number 695747, and 200 riyals, serial number 507635, issued to commemorate the Centenary of the Kingdom(Pick 26d, 27, 28), uncirculated (3).

Estimate: £180 - £220