Rembrandt van Rijn, Ferdinand Bol, circa 1640

Date: circa 1640. Dimensions: overall (lunette): 18.2 x 13.2 cm (7 3/16 x 5 3/16 in.). Medium: brush and wash, chalk, gold, paper, pen and ink. Collection: National Gallery of Art. Ferdinand Bol, Rembrandt van Rijn, c. 1640, NGA 4647