Untitled [S. 228, Hanging Six-Lobed, Discontinuous Surface (three sections) with Interlocked Top Section]. Ruth Asawa, circa 1962. Copper and brass wire, naturally oxidized. 24.8 x 43.2 x 43.2 cm / 96 x 17 x17 in. © Estate of Ruth Asawa, courtesy Christie's. Photo: JKA Photography