Bengal Sultanate, Sikandar bin Ilyas (AH 758-792/1357-1389 AD), Balda-al-Mahrusah Firuzabad Mint, Silver Tanka, Obv: al’wathiq bi-ta’yid al-rahman abu’l mujahid sikandar shah bin ilyas shah al-sultan within circle, in margin al-imam al-a’azam wa’l khalifat al’mu’azzam & four caliphs name in four circles, Rev: yamin khalifat allah nasir amir al-mu minin ghawth al-islam wa’l muslimin khuld khilafatahu within foliated circle, mint in margin & date off flan, 10.23g, 30.68mm (G&G  # B192), about very fine+.