Louis Royer; Sculptor; and Albertus Bernardus Roothaan; Stockbroker; Friend of the Arts; and Patron of the Sciences; Portraits of Louis Royer (1787-1868); sculptor and Albertus Bernardus Roothaan (1793-1847); securities broker; art friend and promoter of sciences. The two men shake hands; on the right on a table is the statue of Royer of a Greek shepherd who beats a snake.; Jan Willem Pieneman; 1825; canvas; oil paint (paint); h 175 cm x w 146 cm d 11.5 cm