Aq Qoyunlu, Ya'qub AR Tanka. Al-Hisn mint, undated, AH 883-896 / AD 1478-1490. Countermarked in a polylobate cartouche, " 'Adl-i sultan Ya'qub" in Persian, on host coin of the same dynasty, probably of Hasan. Album 2524. 5.04g, 17mm, 7h.
Very Fine. Rare.
From the inventory of a UK dealer.