
George Brecht, Robert Watts, MAYTIME YAMTIME. YAM FESTIVAL CALENDAR, 1963. Photo-offset lithograph, sheet: 22 × 8 7/16 in. (55.9 × 21.4 cm). Whitney Museum of American Art, New York; purchase, with funds from the Robert and Marilyn Wilson Foundation 94.205.14a-b. © Estate of George Brecht / Artists Rights Society (ARS), New York / VG Bild-Kunst, Germany