Commissioned by The World Federation of United Nations Associations to celebrate its 30th Anniversary in 1976, Alexander Calder created this original color lithograph that is hand-numbered in pencil, recto, measuring 11 x 8 ½ in (28 x 21.6 cm), unframed, from the edition of 1500. The artwork is officially stamped by the United Nations, verso, and is affixed with an original canceled postal stamp, recto, accompanied by signed certification.