Yun Hyong-keun, Blue Umber ‘76, 1976. Oil on cotton, 100 x 80.4 cm. © Yun Seong-ryeol. Courtesy of PKM Gallery.
Chung Chang-Sup, Tak 89033, 1989. Tak fiber on cotton, 120 x 210 cm. © The Estate of Chung Chang-Sup. Courtesy of PKM Gallery.
Yun Hyong-keun, Burnt Umber & Ultramarine, 1991. Oil on linen, 130.3 x 80.5 cm. © Yun Seong-ryeol. Courtesy of PKM Gallery.
Chung Chang-Sup, Untitled, ca. 1991.Tak fiber on canvas, 73 x 91 cm. © The Estate of Chung Chang-Sup. Courtesy of PKM Gallery.