Qānṣawh al-Ghawrī by Paolo Giovio

Portrait of Al-Ashraf Qansuh al-Ghawri, Mamluk Sultan of Egypt.
Paolo Giovio (1483-1552)
Date: before 1552. Published in 1578.
Source: Pauli Iovii Novocomensis episcopi Nucerini Vitae illustrium virorum : tomis duobus comprehensae, & proprijs imaginibus illustratae

See also Sultans with Horns: The Political Significance of Headgear in the Mamluk Empire by Albrecht Fuess
A version of Qānṣawh al-Ghawrī by Johann Ammon, Frankfurt 1648 (after Johann Theodor de Bry, 1590s)
Illustrations of Egyptian Costume and Soldiers