Master of the Catholic Kings, ‘Christ among the Doctors’, ca. 1495/1497, National Gallery of Art, Washington, D.C.
overall (original painted surface): 136.2 x 93 cm (53 5/8 x 36 5/8 in.)  overall (with addition at bottom): 155.2 x 93 cm (61 1/8 x 36 5/8 in.)  framed: 183.5 x 128.9 x 12.1 cm (72 1/4 x 50 3/4 x 4 3/4 in.)