[Zero movement] Ewerdt Hilgemann (1938-)
Book six 'progressive integration of two grids'. No. G 1974 series 174/2 nos. 1-12. 30 x 30 cm. No. 2 from an edition of 10 copies, published by Galerie Swart, Amsterdam, signed by the artist. File with title page and 12 blind stamp prints by Hilgemann.