Arthur-Luiz Piza (Brazilian, 1928-2017) January 2005; Where, and How; Attraction; Ions. Circa 2004-2005. Gouge etching and drypoint. 125-130x175-180. Printed in color. Reunion of 4 perfect proofs on white vellum, numbered and signed in pencil. All margins. Dry stamp: Jacqueline de Champvallins Paris. Joint: Johnny Friedlaender (1912-1992). Maternity. (Subject for a greeting card). Circa 1960. Etching. 110x152. Printed in color. Fine proof on vellum, justified "H.C." and signed in pencil, oxidized, pasted by the edges under mat on verso with pieces of adhesive. Set of 5 p.