"Guillaume-Benjamin-Amant Duchenne (de Boulogne), Extreme pain, the head of Christ (left); Memory of love or ecstatic gaze (right), 1854-1856, albumen print, printed 1862, image: 22.3 × 16 cm (8 3/4 × 6 5/16 in.) mount: 40.2 × 27.9 cm (15 13/16 × 11 in.), W. Bruce and Delaney H. Lundberg Fund, in Honor of the 25th Anniversary of Photography at the National Gallery of Art, 2015.52.8"
