Victor Vasarely (1906-1997) French 'Kinetic Composition', c. 1972, limited edition polychrome serigraph no. 44 out of 150, chalk signed and numbered by the artist, 19 cm x 14 cm; together with a coloured lithographic print after Alexander Calder, 'Boomerang', with pencil numbers to the reverse and letter 'B', 34.5 cm x 24 cm. (2)