Heinz Keller – Mountain landscape in the snow Heinz Keller (Winterthur 1928 – 2019 Seen) Berglandschaft im Schnee Woodcut 1989 Signed and dated lower right: Keller 89 Inscribed lower left: Epreuve d’artiste 21.5 x 14.5 on 33.2 x 26.2 cm Anfrage / Preguntar / Request