Koppenhagen, Gijsbert Jan van (1909-1977).

"Nachtelijke ontmoeting". Colour linocut, 35,4x47 cm., signed "G. Koppenhagen", titled, "eigen druk 1971" and "36/60" in pencil, on Japanese (trifle creased in outer lower blank margin). Idem. "Rode en zwarte figuur". Linocut, printed in black and red, 31,5x47,1 cm., signed "G.J. Koppenhagen", titled, "eigen druk 1971" and "17/60" in pencil, on Japanese. - AND 11 others, incl. duplicates, i.a. by the same ("Metamorfose van 2 tekens II" and "Hommage à Picasso") and Hans FISCHER.