:emperor , hetian jade ssangyong button sifang decreeSize: 8.9 cm high 8.0 cm wide weighs 955.5 g.Introduction: double tap NiuYuXi, exquisite workman, dragon carving meticulous, button, print all contracted simple but elegant, lasting appeal is dye-in-the-wood, seal at the bottom of the clear, patina is thick, very elegant, heavy in d, the whole appearance.