ESSEN, Jan van (1854-1936), attrib. to. (Vulture on a branch). Dated 'Artis maart 1886'. Drawing in black chalk. 190 x 135 mm. Framed, glazed and under passepartout. -- Added: Johannes Theodorus ('Jan') SCHONK (1889-1976). (Vultures in a mountainous landscape). N.d. Plain etching. 276 x 192 mm. Signed by the artist in pencil and w. annotation "druk v.d. artist". Framed, glazed and under passepartout. -- (2).