25. 25AR ENZO MARI (born 1932) Deformazione ottico - dinamica di un cubo in una sfera, serie a punti C 1959-1963 Signed and numbered 49 on a label below Perspex, silkscreen and polyester Copy 49/50 Edition Danese, Milan 10.5 x 19 x 19 cm Diameter 10.5 cm Provenance Private collection, Brussels Bibliography Cat. Danese Milano 1976, No. 59; Casciani, From Project to Product, Cagliari 1988, p. 82