Delhi Sultan, Qutb Al-Din Mubarak Shah, (AH 716-720, 1316-1320 AD), Gold Square Tanka, Hadrat Dar al-Khilafa Mint, AH 718, Obv. al-imam al-a'zam khalifa Rabbu'l Alamin Qutb ud-dunya wa'l din Abu'l Muzaffar Mubarak Shah, Rev. al-sultan ibn al-sultan al-wathiq billah amir al-mu'minin" within a square frame, Hadrat Dar-ul-khilafa sana thaman wa ashar wa sabamaya, Hijri year in words, at the margin, Graded by NGC as AU 58, extremely rare.