First row : Hilma af Klint HaK891-892-893-894-895 Untitled [probably the portrait of Mrs Elinor Giertta (Zimmer) at Bona Gård on Munsö, on whose land Hilma af Klint had her artist studio] Watercolour on paper 1932 Bottom rows : Andy Warhol Marilyn Screenprint in colors 1967