Introduction to colored glazed porcelain: Another important porcelain collection in the Shijiazhuang Museum is the blue and white and colored glazed porcelain of the Yuan Dynasty. In 1964, 11 pieces of blue and white and blue glazed porcelain were unearthed from the Yuan Dynasty kiln collection in Baoding City. It represents the highest level of similar Yuan porcelain. Among them, the blue and white open-carved red and blue glazed flower vase is a national treasure-level cultural relic. It integrates various decorative techniques such as painting, carving, relief, molding, blue and white, underglaze red, etc., and represents the highest achievement of Yuan porcelain firing. Among the exquisite jade articles, the jade bis unearthed from the tomb of Liu Sheng, King Jing of Zhongshan, and the complete set of jade articles unearthed from the tomb of Liu Yan, King Jian of Zhongshan during the Eastern Han Dynasty, are the most distinctive.