Watch List notes:

ISLAMIC, Persia (Post-Mongol). Timurids. Timur (Tamerlane). AH 771-807 / AD 1370-1405. AR Tanka (24mm, 5.99 g, 2h). Citing Chagatai khan Mahmud. Wastan mint. Undated, circa AH 795-807 / AD 1393-1405. Within quadrilobe, Central Kufic legend: la ilah illa Allah, | Muhammad | rasuluallah (There is no deity except God, | Muhammad | is the messenger of God); marginal Naskh legend, counterclockwise from top: Abu Bakr | 'Umar | 'Uthman | 'Ali / Within hexafoil, Naskh legend: dariba | al-sultan Mahmud khan | khallada Allah [...] | amir Timur Kurkan | Wastan (struck [at] | al-sultan Mahmud Khan | may God perpetuate [...] | amir Timur Kurkan | Wastan); uncertain legend (date?) in margin. SICA 9, –; Album 2386; Zeno 59799 (this coin). Near VF, toned.

From the BRN Collection.