ARTIST OF THE 20TH C. - PAINTING: "Portrait of a Man / Portrait of a Gentleman", probably oil on panel, illegibly signed lower right, inscribed on adhesive label on the reverse "Portrait and Painting H. Lupberger [...]". Naturalistic depiction of a man in half figure against a light background. Overall dimensions with frame H. 76 x W. 65 cm, plate H. ca. 61 x W. ca. 51 cm. (Frame with traces of use; painting layer partially damaged).