Jack Sonenberg, Oracle #3, Graphic, Overall: 31 1/2 x 24 1/2 x 1 1/2 in. (80 x 62.2 x 3.8 cm), Courtesy of Art in Embassies, Washington, D.C.; Gift of Mr. and Mrs. Philip Berman

Jack Sonenberg, Dimension #3, Lithograph with blind intaglio, Overall: 35 x 32 1/4 x 1 1/2 in. (88.9 x 81.9 x 3.8 cm), Collection of Art in Embassies, Washington, D.C.; Gift of Brooke and Carolyn Alexander

Jack Sonenberg, Dimensions 1970 #4, Graphic, string, Overall: 41 x 33 x 2 in. (104.1 x 83.8 x 5.1 cm), Collection of Art in Embassies, Washington, D.C.; Gift of Brooke and Carolyn Alexander