Sham al Din Yusuf Shah, Silver Tanka, 10.08g, Khazana Mint, Date not clear, of a new type, Obv: Kalima and Mint name in an octagonal star design in a circular border, further decorated border on the outside, Rev: In circle, Arabic legend “Yusuf Shah Sultan bin Barbak Shah Sultan bin Mahmud Shah Sultan”, in outer circle, Arabic legend “al-Sultan bin al-Sultan bin al-Sultan Shams al-Dunya wa al-Din Abu al-Muzaffar”, in margins, AH date in words separated by Arabesques (Unlisted in G&G). Few punches, about very fine, exceedingly rare.
A highly decorative and unusual type, most likely struck on a special occasion. The choice of an octagonal star design and the title ‘al-Sultan’ three times are interesting features.