x Harry Bertoia (1915-1978) Sound sculpture - 'Sonambient' series Unique piece Copper Beryllium Model created around 1978 H 40.5 × W 25.5 × D 7.5cm Note: Referenced under number SO.TO.427. in the digital the digital catalogue raisonné Harry Bertoia. A copy of the letter from the Harry Bertoia Bertoia Foundation may be given to the purchaser. Bibliography: J. K. Nelson, 'Harry Bertoia: sculptor', Ed. Wayne State University Press, Detroit, 1970, similar model p.109