Chinese novelty buttons Badges, depicting portrait of Chinese leader, Mao Zedong, 1921-1969. Several incised marks, front and reverse, red enamel, white metal guilloche. Largest 2.5" diameter, dated 1921-1969. medium, white portrait, red enamel trim, about 2". smallest, red enamel surroundings, added pin. overall in very good aged condition. (Private Collection).