Watch List notes:

ISLAMIC COINS. BURJI MAMLUK. al-Nasir Faraj, Gold Dinar, al-Qahira 801h, date largely off flan, 10.66g (Balog, Mamluks, 613A). About extremely fine and rare.
The date on this coin is confirmed by Balog who states that its legends were only recorded from the year 801h, traces of which appear at the lower part of the obverse field.

Estimate: £500-600