(Innsbruck 1932-2011 Vienna) rot auf schwarz, 1958, signed Prachensky, gouache on black paper, 47 x 69.5 cm, edges outlined with brown adhesive tape, framed
(born in Luzern 1951; lives and works in Paris and in Switzerland) Alida, 1987, titled, signed and dated mixed media with oil on 2 joined sheets of paper, 140 x 100 cm, framed