Four prints by the artist

VICTOR VASARELY (1906-1997) Four prints by the artist Including: Untitled (Blue and Red), screenprint in colors, on wove paper, 1967, signed in pencil, numbered 90/290; Untitled (Yellow and Purple), screenprint in colors, on wove paper, 1967, signed in pencil, numbered 90/290; Untitled (Green and Orange), screenprint in colors, on wove paper, 1967, signed in pencil, numbered 125/289; and Untitled, screenprint in colors, on aluminum, with the artist's incised signature, numbered 54/160