Muhammad Ahmad, "the Mahdi" (1296-1302 AH/1881-5 AD), 100-Piastres, an imitation of the issue of 'Abd al-Majid, with the mint name of Misr, and dated 1255, regnal year 2. Probably struck at Umm Darman, circa 1302 (KM.3), test mark in the reverse field and on the edge, very fine, extremely rare