Watch List notes:

Abbasid, temp. al-Ma'mun (194-218h), Fals, mint (Shiraz) off flan, 198h, citing Dhu'l-Riyasatayn and al-'Abbas, 1.10g (cf Morton & Eden Auction 46, 11 November 2010, lot 123; Miles Persepolis p.81, 631-632; A -). Fine, very rare.