Coin Encyclopedia
Search and identify coins from around the world — with country, denomination, metal, mint, history, and how to tell them apart.
Qianlong Tongbao (An Nam)
A bronze round cash coin with a square center hole bearing the four characters Qianlong Tongbao, cast in An Nam (Vietnam) in the imitative Chinese style.
Cash CoinDaoguang Tongbao
A round Chinese bronze cash coin with a square center hole, cast under the Qing emperor Daoguang; this example bears the Bao Quan mint mark.
Cash Coin