relief on aluminium

incised 'Castellani '66' lower right

23.3 x 24.6 cm (9 1/8 x 9 5/8 in.)

Executed in 1966, this work is accompanied by a certificate of authenticity from Archivio Castellani, Milan, and is registered in the Archivio Castellani, Milan, under no. 66 - 029.