Jan Christiaan Poortenaar (1886-1958)
4 etchings: (1) Amsterdam. Construction of viaduct. No. 5/20, signed inside and outside the print. (2) London. Ships on the Thames. No. 16/100, signed in the plate. (3) Tiger lilies. Signed inside and outside the plate. (4) Louvre gaat. Unsigned. All four in large size, ± 49 x 63 cm.
(total 4)