75/3627 Derkzen van Angeren, A.P. (1878-1961). (Harbour view). Etching w. tone, 18,8x40,7 cm., signed and "1920" in pencil (vague creases). Idem. (Harbour view seen from the water). Etching, 14,8x21,8 cm., on Japanese. - AND 2 other etchings by the same, both signed in pencil.