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Rutie, one of the art treasures of Ruzhou, Henan province, refers to a collection of work by many ancient famous calligraphers. With different types of Chinese calligraphic fonts, such as the inscriptions on ancient bronze objects, seal characters, official script, regular script and cursive style, it was highly praised by many ancient renowned poets.

Ru Stone is a kind of jade with great texture and rigidity, originating from the border area between Ruzhou and Rurang, Henan province, deemed a “national treasure” by the first emperor of the Eastern Han dynasty (AD25-220).