Watch List notes:

ISLAMIC, Persia (Post-Mongol). Qara Qoyunlu. Qara Yusuf, second reign, AH 809-823 / AD 1406-1420. 1/3 Tanka (Silver, 13 mm, 1.81 g, 3 h), with his son Piri Budaq, Imadiya, date off flan. Album 2479. Rare. Good very fine.