ISLAMIC. The Coinage of Yaman. Rasulids. al-Mansûr 'Umar ibn 'Alî (626/634-647 AH). Dirham 636 (AH). Mabyan, type C.
Album, Checklist 1100.3.
Ex. Dr. Busso Peus Nachfolger, Auction 421/1508 (2017).
Condition: Extremely fine.
Weight: 2,06g.
Diameter: 26mm.