W number 4248: hetian jade dragon button sifang bullaeLong 10 cm wide 8.2 cm high 6.6 cm weighs 1015.7 gBull for tianand the quality of the jade, square, dragon button.Bull dragon carving vivid button, ssangyong cross back.Both dragons forelimbs touchdown, showed the appearance of lies down, dragon horn, protruding eyes, mouth slightly parted, revealing the tooth, the tongue rather momentum.This one with the similar palace bullae in shape, carver, materials, etc, for the bull.