signed and titled "CLOUS Bernard Aubertin" on the reverse nails and acrylic on wood 19 5/8 x 19 5/8 in. (50 x 50 cm.) Executed in 1969, this work is accompanied by a certificate of authenticity provided by the Archivio Opere Bernard Aubertin and is registered under the archive number TCLR96-1000181223.