Louis-Emile Durandelle, ‘Ornamental Sculpture from the Paris Opera House (Column Detail)’, 1865/1874, National Gallery of Art, Washington, D.C.
sheet (trimmed to image): 27.8 x 21 cm (10 15/16 x 8 1/4 in.)  support: 60.6 x 44.7 cm (23 7/8 x 17 5/8 in.)