From the Catalogue:
Conceptual Artist, Don Celender, the creator of Artball Trading Cards (1971), presented artists like Andy Warhol (as outfielder); Alexander Calder (as infielder); Marc Chagall (as pitcher); Victor Vasarely and Jasper Johns (as catchers) and Lichtenstein (as IB-IF) as baseball players, each assigned a position and identified on the back by a "hit" artwork.
—Courtesy of Waddington's
Signature: signed, dated 1971 with copyright and numbered 36/200 in pencil to margin
Prominent Toronto Gallery