It shouldn’t be worth much. Ruzhou was removed from the county and established as a city in 1998. It used to be called Linru County (it was extended to 1998 in the Republic of China). Although Ruzhou was also called Ruzhou in the Song Dynasty, it was definitely It can’t be Ruzhou in China, but Ruzhou in the Song Dynasty! Therefore, it can be inferred that your porcelain bottle will not be more than 20 years old! But the 5 yuan should be worth it.