René-Yves Creston (1898-1964) Komzit Brezoneg d'ho Pugale (Teach Breton to your children). 1928. Letterpress print from a woodcut. [560 x 760]. Two-tone printing. Fine proof on thin buff vellum. Small accidents and traces of glue on the edges. Full margins. Stamp R. T. René-Yves Creston was one of the founders of the Seiz Breur (Seven Brothers) movement, which came into being when he met Jeanne Malivel at the Folgoët pardon in 1923. They were soon joined by Xavier de Langlais, Pierre Péron and Xavier Haas, as well as a host of independent artists: Le Rallic, M. Méheut... In 1944, the movement had 42 members.