'Abbasid caliphs
al-Ma'mûn 'Abd-allâh, 195-218 H./810-833 AD. Dirhams 200 and 204 H., Madînat as-salâm, the first with the title of the vizier "Dhû r-riyâsatain", the second with the name of the caliph and the general Humaid at-Tûsî. 2,97 g. and 2,87g. Lowick/Savage 1420 and 1443; SICA 3 nos. 1742 and 1763. 2 pieces Extremely fine and good very fine
Acqu. G. Clark, Norfolk VA, March 2002 and Peus auction 395, May 2008, lot no. 545.