Otto Lais – Person, figures and faces Otto Lais (Wilferdingen 1897 – 1988 Wegberg-Merbeck) Untitled(Person, figures and faces) Etching Signature stamp lower right: Otto Lais 26 x 18.2 on 32.7 x 24.5 cm Catalogue raisonné: not in Langenfeld Anfrage / Preguntar / Request