Derick Berck of Cologne, 1536, Oil on canvas, transferred from wood, 21 x 16 3/4 in. (53. 3 x 42. 5 cm), Paintings, Hans Holbein the Younger (German, Augsburg 1497/98?1543 London), This painting belongs to a group of portraits Hans Holbein made for the German merchants of the Hanseatic League in London. The bearded, thirty-year-old sitter is identified by the letter in his hand, which is addressed 'To the honorable and pious Derick Berck, London, at the Steelyard [