Watch List notes:

(x) Saudi Arabian Monetary Agency, specimen 50 riyals, 1379 (1968), zero serial numbers, brown on multicolour underprint, Prophets Mosque in Medina at right, arms at centre, signatures al Qurashi and Abdul Rahman, reverse brown, arms and a farm scene(Pick 14bs, TBB B113bs), in PCGS holder 58 CHOICE ABOUT NEW, minor mounting traces, rare.

Estimate: £3,000 - £3,500