Pair of glass portraits of Mongolian empresses, China, 20th century Each coaster portrait, inspired by silk painting, depicts a Yuan-period empress identified by an inscription: 大元寧宗皇后 - Empress Ningzong of the Great Yuan (The Empress Ningzong of the Great Yuan (1326-1332)), wife of the Empress Ningzong of the Great Yuan (1326-1332)), 大元順宗皇后 - Empress Shunzong of the Great Yuan (Shunzong or Toghon Temür, brother of the previous empress, was the last Mongol emperor who reigned in China from 1333 to 1368). 80 x 51 cm view