57. 57AR WOLF VOSTELL (1932-1998) Zyklus Mania (Olympiad) 1973 signed graphite, pastel and collage on printed paper mounted on isorel in artist's slipcase 40.6 x 30 x 11.7 cm. Executed in 1973. Provenance Galleria La Bertesca, Genoa Galleria Cavellini, Brescia Acquired from the latter by the current owner Exhibition Berlin, Nationalgalerie Berlin, Vostell, Retrospektive 1958 - 1974, 12 April - 1 June 1975, p. 77, illustrated in black and white