signed and dated 'Bernard Aubertin 1968' on the reverse nails and acrylic on wood 50 x 90 cm (19 5/8 x 35 3/8 in.) Executed in 1968, this work is accompanied by a certificate of authenticity provided by the Archivio Opere Bernard Aubertin and is registered under the archive number TCLR86-1000181123.