The Lissner Collection, Lot: 1022. Estimate $300. Sold for $400. This amount does not include the buyer’s fee.

SUDAN, Mahdist Revolt. Abdullah ibn Mohammed. AH 1302-1316 / AD 1885-1898. BI 20 Piastres (36mm, 23.54 g, 12h). Omdurman mint. Dually dated RY 4 of al-Mahdi and AH 1304 (AD 1886). KM 7.1; Davenport 63. In NGC encapsulation graded AU 55. Very light toning over muted silver surfaces.