: hetian jade green seeds in dragon button seal materialSpecification: high 10.5 cm, 12 cm wide, weighs 3081 gramsIntroduction: collection in hetian jade green seeds as the material, material are superior in quality of the jade, jade is exquisite, mellow patina, thick material, printed with dragon for the knob, ssangyong intersection back, both dragon forelimbs touchdown, showed the appearance of lies down, dragon horn, protruding eyes, mouth slightly parted, revealing the tooth, the tongue under bending to side of dragons, rather momentum.The whole device vividly, carver skilled, skilled, engraving depth, extremely valuable.