Watch List notes:

Abbasid, al-Ma'mun (813-33), gold Dinar, 4.01g, mintless type, AH203, giving laqab of the vizier dhu'l riyasatayn below reverse legend (A 222.12; Bernardi 100), slightly clipped, flan a little dirty with some evidence of cleaning, fine, scarce.

Estimate: £120 - £150