signed, titled, inscribed and dated "J.EIELSON Quipus 31TL-1 Roma, 66 - (Paris 71) J. Eielson" on the reverse knotted burlap mounted on wood 35 3/4 x 45 7/8 in. (90.8 x 116.5 cm.) Executed in 1966-1971, this work is accompanied by a certificate of authenticity issued by Archivio Jorge Eielson.