Watch List notes:

BURJI MAMLUK: al-Musta'in, 1412, AV bunduqi (3.43g), al-Qahira, AH (81)5, A-984.2, Balog 671, Kazan 690, obverse legend al-imam al-a'zam al-musta'in billah abu'l-fadl al-'abbas, mint & date on reverse, minimal weakness, EF, RR, ex Gamal Amer Collection, ex Islamic Coin Auction 24, Lot 4844. Al-Musta'in was not a Mamluk, but the shadow 'Abbasid caliph in Cairo', with the title "al-imam al-a'zam" on some of his gold dinars. Although al-Musta'in was nominal sultan for a few months before Shaykh seized power in his own name, real power was always in the hands of Shaykh.

Estimate: 2,600-3,500 USD