Key SATO (1906-1978) Composition in violet monochrome - Greeting card for the year 1969 Gouache on paper mounted on a sheet bearing the artist's signature and the stamp "Joyeux Noël et Bonne Année 69" ("Merry Christmas and Happy New Year 69"). 15 x 10.5 cm (sheet size: 20 x 15.2 cm) (Some foxing at the top)

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