In Portrait of John Frederick I, Elector of Saxony, how is the Provenance discussed?
Done in Augsburg in 1548 or 1550. A picture of this Prince, together with another in full armour, is described in the collection of Queen Mary in 1558. Philip IV of Spain presented the Marquis de Leganes with it. At Vienna it is first mentioned in the seventeenth century.
Marquis de Leganes Philip IV of Spain Augsburg