This is a Jade component of complex pectoral pendants of the Zhou and Han Dynasties of China. Note the following:
01.The design is of a single spiralling dragon.
02.The body is patterned with raised nipples dots.
03.The lined extra appendages may represent clouds and indicate motion.
04.The dragon's head shape is rather unusual.
05.The design is on both sides and there is a hole for attachment.
06.The Jade (Nephrite) is light green and translucent.
These Jade components of pectoral pendants are usually the most intricate and exquisite Jades of the Han and Zhou Dynasties.