Bui Xuan Phai (Vietnam, 1920-1988) Portrait of Van Cao's Brother signed and dated '2.4.77 Phai' (lower left) pencil, gouache and watercolour on paper 15 x 10 cm. (5 7/8 x 3 7/8 in.) Painted in 1977 Provenance Collection of Boi Tran Garden Private Collection, Asia