This publication of the Institute of Old Masters Research follows the discovery of a portrait of King Christian II painted by Joos van Cleve in 1521 on the occasion of his stay in Antwerp. Published also on the occasion of 'Pictures and Power. The Visual Politics of Christian II' (15-06-2017 / 10-09-2017) in the Statens Museum for Kunst in Denmark. King Christian II (1481-1559) is one of Denmark?s most fascinating and the first Danish king to properly use visual art to promote himself and his political agendas. The portrait by Joos van Cleve is compared here with paintings, drawings, engravings and woodcuts by such masters as Albrecht Dürer, Jan Gossart, Michiel Sittow and Lucas Cranach the Elder.