Id agree, there seems to be at least two areas of alla prima on thecanvas that need color.
Someotimes that was fashionable in certain artists quivers
Sun 14 Mar, 2021 05:52 am
Since he lived for another 50 years after this painting was done I think we can assume he was satisfied with it and considered it "finished". There's no need to provide an equal degree of detail to background figures.