- BOERS, Willy (Dutch 1905 - 1978). Untitled, 1958. Gouache on paper, collage, signed and dated 'Willy Boers 1958' (lower right); framed under passe-partout behind glass. Inscribed to Simon Carmiggelt (on the reverse of the frame). Unexamined out of the frame, apparently in good condition.