Kangxi Bao Tong Shandong which is valuable?

Kangxi Bao Tong Shandong Baotai Bureau is valuable. Physical objects are collectible. Genuine products have certain market potential. Bao Tong, Emperor Kangxi, was cast during the reign of Kangxi. Read the regular script directly, and the Manchu coins imitate the four bodies of Shunzhi. This kind of coin, the one on the left is the treasure of Manchu Dynasty, and the one on the right is the most famous one in China Records Bureau. Blessed are the Dongjiang Bureau and the Changbao Bureau.