CONSTANTINE, Gregory, (Canadian, 1938-): ''John Chamberlain'' License Plate, measures 6.5'' x 11'', numbered 26/50. Part of a large group of license plates Constantine created based on various artists. Each plate is in an edition, the number of which is on the front, at the bottom right corner, next to the artist's name. Exhibited at O.K. Harris in New York. Est. $400/600**