Arnold Hendrik Koning (1860-1945), Landscape with a Hollow-wing Mill, signed (lower right), oil on canvas, on panel, resp.: (2x) Hugo Van Schaik (1872-1946),Small shipyard on a river,signed (lower left), oil on board, and a small work by the same master depicting sheaves of wheat, signed (lower right), oil on board. (3x) resp.: 30 x 40 cm., 23 x 35 cm., en 18 x 26 cm.