Edgar Degas and Vicomte Lepic, ‘The Ballet Master (Le maître de ballet)’, ca. 1874, National Gallery of Art, Washington, D.C.
plate: 56.5 x 70 cm (22 1/4 x 27 9/16 in.)  sheet: 62 x 85 cm (24 7/16 x 33 7/16 in.)