Ewerdt Hilgemann, Book six 'progressive integration of two grids'
Amsterdam, Galerie Swart, 1974. No. G 1974 series 174/2 nos.1-12. Blank stiff paper portfolio, 30 x 30 cm, containing all 12 blind stamped cardboard sheets, printed by the artist. Edition of 10 copies. Title-leaf signed 'Hilgemann', numbered '3/10' and dated '74' in pencil. Portfolio as well as prints in fine condition.