Circular shard, China, 960 CE–1279, stoneware with light blue and purple glaze.
Lucy Maud Buckingham Collection, Art Institute of Chicago. Public domain.
"The Prisoner (Der Gefangene), 1918" by Christian Rohlfs (artist) German, 1849 - 1938 in the Gift of Jacob Kainen Collection in the National Gallery of Art
"Two Women Drinking Coffee, c. 1893" by Edouard Vuillard (artist) French, 1868 - 1940 in the Ailsa Mellon Bruce Collection in the National Gallery of Art