(based on Untitled, April, 1954, John McLaughlin)
oil on linen, 30 x 30 cm, Private Collection
(based on Turnsole, 1961, Kenneth Noland)
oil on linen, 30 x 30 cm, Private Collection
(based on According to What, 1964, Jasper Johns)
oil on linen, 30 x 30 cm, Private Collection