Persia (Post-Mongol). Qara Qoyunlu. Iskandar (?), AH 823-841 / AD 1420-1438. 1/3 Tanka (Silver, 14 mm, 1.70 g, 8 h), Imadiya, no date. Illegible legend within a square; the word in the second line appears to be a distorted rendering of the name ‘Jinkīz’ (‘Chingiz’ in Arabic). Rev. Within a circle, ‘lā ilāha illā [Allāh] / Muḥammad / [rasūl Allāh]’ (‘There is no deity but Allah. Muhammad is the messenger of Allah’ in corrupted Arabic). Zeno #304574. Very rare mint. Lightly toned. Struck from somewhat worn dies, otherwise, very fine.