MAI TRUNG THU (VIETNAMESE-FRENCH 1906-1980) Portrait of a Woman with Fan, 1956 ink and gouache on silk laid on board 19.5 x 11 cm (7 5/8 x 4 3/8 in.) signed, stamped with artist's seal and dated in Chinese lower right PROVENANCE Christie's, Shanghai, September 21, 2018, Lot 201