Watch List notes:

ISLAMIC, Persia (Post-Mongol). Qara Qoyunlu. Qara Yusuf, second reign, AH 809-823 / AD 1406-1420. Tanka (Silver, 27 mm, 5.00 g, 2 h), citing Qara Yusuf as a nominal vasal of his son Pir Budag, AH 814 = AD 1411/2. Album 2478. Good very fine.