ANDREA DI BARTOLO. Christ on the Cross [reverse]. Dated: c. 1380/1390. Dimensions: painted surface: 30 × 18.6 cm (11 13/16 × 7 5/16 in.) overall: 30 × 18.6 × 0.8 cm (11 13/16 × 7 5/16 × 5/16 in.) framed: 52.7 x 34.3 x 7.9 cm (20 3/4 x 13 1/2 x 3 1/8 in.). Medium: tempera on panel.