POSTMA, Hendrik Nicolaas (1873-1945). (Town views (2 x Amsterdam & Amersfoort?)). N.d. Collection of 3 drawings in colour wash and pencil. 270 x 165; 112 x 165; 170 x 260 mm. Hinged to mounts (2) and mounted along margins, all under passepartout. All signed '(H) Postma'.