Monday's image: March 11, 2019

Alex Hay, Crumpled Yellow Paper, Cotton paper, acrylic paint, epoxy resin, sandblasted, 48 x 164 x 113 centimeters, 1967, Moderna Museet, Stockholm, Sweden

Monday's image: September 3, 2018

Jean Baptiste Oscar Mallitte, Group portrait at the Governor Generals Camp, Albumen silver print, 20.5 x 24.7 centimeters, 1858-61, The Metropolitan Museum of Art, New York

Monday's image: November 14, 2016

Eileen Agar, Angel of Anarchy, Plaster, fabric, shells, beads, diamante stones and other materials, 520 x 317 x 336 millimeters, 1936-40, Tate Gallery, U.K.