Watch List notes:

Abbasid, temp. al-Mamun (810-833), AV Dinar, 4.25g, mintless type (Misr), AH207, with 'ubayd allah bin al-sari below legend, rev. li'l-khalifa above reverse and al-Ma'mun below (Bernardi 96; A.222.9), slight traces of mounting, extremely fine. Estimate: £180.00 - £230.00