Bona de MANDIARGUES known as BONA (1926-2000) The Key of the grounds, 1974 Fabrics sewn on canvas. Signed lower right. Signed and titled on the back on the frame. 61 x 46 cm Provenance : - Galerie de Seine, Paris. - Galerie Thessa Herold, Paris. Exhibitions : - Bona, colimaçonneries, Galerie de Seine, Paris, 1974, reproduced on the cover of the catalog. - Bona, Panorama of 25 years of imagination and creation, Galerie de Seine, Paris, 1976, reproduced on the cover of the catalog.