1975. Keramik, grey glazed, abstractly coloured painted on both sides. H. 16 cm, 22 x 10,5 cm. Monogr. 'GP 75'. Incised ornamental decoration on the upper rim - French ceramist. After beginning to study architecture in Paris, Portanier quickly turned to painting and drawing as a self-taught artist. After his return to the Côte d'Azur, he met Picasso and began working as a ceramic artist. 1949 foundation of the studio 'Le Triptyque', since 1964 close cooperation with Rosenthal, from 1966-2009 regular exhibitions in the Rosenthal studios. Numerous awards and exhibitions, including at the MKG Hamburg, Kunstgewerbemuseum Köln, Musée National de Céramique, Sèvres and many others.