Portrait of a Carthusian, 1446, Oil on wood, Overall 11 1/2 x 8 1/2 in. (29. 2 x 21. 6 cm) ; painted surface 11 1/2 x 7 3/8 in. (29. 2 x 18. 7 cm), Paintings, Petrus Christus (Netherlandish, Baarle-Hertog (Baerle-Duc), active by 1444?died 1475/76 Bruges), Petrus Christus was the leading painter of Bruges in the years following the death of Jan van Eyck in 1441. In this portrait of striking verisimilitude, the artist moves beyond the flat neutral backgrounds of portraits by his predecessor