Watch List notes:

Abbasid, al-Ma'mun (194-218h), dinar, no mint, 207h, citing 'Ubaydallah b. al-Sari, 4.24g (Bernardi 96; Album 222.9), very fine to good very fine. Ex Silvio Baldassari Collection, Leu Numismatics (Zurich) auction 62, 18 May 1995, lot 474.