Othon COUBINE (1883 - 1969, Austro-Hungarian artist) - [Landscape]. c.1930. Original etching in soft varnish and aquatint, printed in colors in the register. Proof on simil japon fort paper, annotated "épreuve d'artiste" and signed in pencil by the artist. Good margins. 42.8 x 55 cm. A/B condition (rare foxing and small handling creases in the margins and lightly dusted verso, two slight printing creases in the sky, otherwise good overall condition).