Donor protected by saint clement. Wing of a diptych. Object Type: painting, diptych. Genre: religious art. Date: 1480s. Dimensions: height: 49.8 cm (19.6 in) ; width: 37 cm (14.5 in). Medium: oil on panel. Depicted People: Clement I. Collection: National Gallery. Follower of Simon Marmion - Donor protected by Saint Clement NG2669