Valuable. Cowpea red is one of the copper red high-temperature glazes. It is a copper red glaze variety that appeared in the late Kangxi period of the Qing Dynasty. Qianlong's small piece of cowpea red porcelain imitating Kangxi's is valuable. It has a warm and moist glaze, vivid glaze color, fine white texture, regular feet, and standardized writing. It should be a cowpea red product made by the official kiln during the Qianlong period. The market estimate is 500,000 yuan. Mainly from official kilns, the bottoms of the vessels have the official kiln inscription "Made in the Kangxi Year of the Qing Dynasty" in three lines and six characters in regular script. They are mainly study utensils used by the Kangxi court.