Hausman : La Forêt secrète, illustration in Indian ink, watercolor and gouache for a double-page spread in this book published in the Terre Entière collection by Editions Dupuis in 1964, in which the nocturnal colors highlight the bats. Signed and dated 1962 (missing bottom right corner and slight creases). Dimensions: 62.2 x 37.4 cm.

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