In the painting he is surprisingly holding a book with the English title Guardian Volume 1, which during a restoration of the picture was discovered to have been a later pentimento, covering a miniature of a lady.
I maleriet holder han i hånden en bog med den engelske titel "Guardian Volume 1", som under en restaurering af billedet overraskende viste sig at have været en senere pentimento (ændring), der dækker en miniature af en dame.