Staatliche Museen zu Berlin, Gemäldegalerie / Volker-H. Schneider. Public Domain.
Public Domain National Gallery Washington
Work in the public domain and in open access following the terms of the Fine Arts Museum of San Francisco.
© KIK-IRPA, Brussels
Imagen available here. Secondary images from the same website, except for the white and black image, from CC BY 4.0 KIK-IRPA