77/3513 Steenvoorden, A. (1933-2010). "De mens in z'n omgeving". Etching, 22,5x17,8 cm., signed, "'67", titled and "eigen druk 8/10" in pencil. Idem. "Het nijlpaard". Etching, 19,5x33,5 cm., signed, "72", titled and "E.d. I/150" in pencil. - AND 6 others by the same, i.a. a series of 5 sm. col. etchings, all numb. "XXI/XXV" in pencil.