'Abbasid caliphs
al-Mahdî Muhammad, 158-169 H./775-785 AD. Dirhams 166 H., Sijistân, and 168 H., Qasr as-salâm, both with the name of the caliph only and bakhkh below. 2,91 g. and 2,91 g. Lowick/Savage 2356 and 1476; Qatar 1514 and 1522; Ties. 2770 and 1041. 2 pieces Rare Extremely fine and very fine
Acqu. Stephen Album, Santa Rosa, list 228, September 2007 and Sphinx Numismatics, Canada, September 2003.