File:Two Skulls In A Window Niche, By Hans Or Ambrosius Holbein.jpg
Scholars are divided on the attribition of this work. Stephan Kemperdick, for example, contends that Hans Holbein is the likelier author, while John Rowlands rejects it as by Hans and tentatively attributes it to Ambrosius. Jochen Sander believes that no firm attribution can be made.
References
- Christian Müller; Stephan Kemperdick; Maryan Ainsworth; et al, Hans Holbein the Younger: The Basel Years, 1515–1532, Munich: Prestel, 2006, ISBN 9783791335803, pp. 220–21.
- John Rowlands, Holbein: The Paintings of Hans Holbein the Younger, Boston: David R. Godine, 1985, ISBN 0879235780, p. 229.