RICHARD LONG (B.1945)Untitled (D, E and F - Vertical)theplete set of three lithographs, on hemp paper, 1994, each signed and dated in red pencil and numbered 'AP 6/10' (an artist's proof set, the edition was 40), published by Brooke Alexander Inc., New York, each with full margins, in very good conditionLargest Image: 193⁄4 x 16 in. (502 x 406 mm.)Each Sheet: 321⁄2 x 201⁄2 in. (826 x 521 mm.)