China, late Qing period - beginning of the Republic period (min-kuo), late 19th-beginning of the 20th century, decorated with a motif of imperial dragon in the clouds over stylized waves, with a fiery pearl, along the edge of the scene endless belt of pearls omnipotence, side edge with stylized waves, a pair of dragons and pearls on the reverse, size: 6,5 x 8,5 x 1,2 cm