River landscape. Etching with aquatint printed in colours, numbered and signed in pencil 259. Published by L'Estampe; Moderne 12 rue Godot-de Mauroi Paris. Color etching by Henry Jourdain after Frits Thaulow. Frits Thaulow (1847 – 1906) was a Norwegian Impressionist painter, best known for his naturalistic depictions of landscape.