ribbon strips on painted wooden board, in artist's aluminium frame

signed, titled and dated 'alberto biasi "ottico-dinamico" 1967' on the reverse

144 x 144 cm (56 3/4 x 56 3/4 in.)

Executed in 1967, this work is accompanied by a certificate of authenticity and is registered at the Archivio Alberto Biasi under no. CO 203.