French Indochinese piastre
The piastre de commerce was the currency of French Indochina
French Indochina
French Indochina was part of the French colonial empire in southeast Asia. A federation of the three Vietnamese regions, Tonkin , Annam , and Cochinchina , as well as Cambodia, was formed in 1887....

 between 1885 and 1952. It was subdivided into 100 cent, each of 5 sapeque.
Prior to the arrival of the French in Indo-China in the second half of the 19th century, cash coins
Cash (Chinese coin)
A cash was a type of coin of China and East Asia from the 2nd century BC until the AD 20th century. The photograph to the right shows replicas of various ancient to 19th century cast coins in various metals found in China and Japan.-Terminology:...

 similar to those used in the provinces of China circulated in the area that is nowadays known as Vietnam
Vietnam – sometimes spelled Viet Nam , officially the Socialist Republic of Vietnam – is the easternmost country on the Indochina Peninsula in Southeast Asia. It is bordered by China to the north, Laos to the northwest, Cambodia to the southwest, and the South China Sea –...

. There was also a silver milled dragon coin and associated subsidiary coinage in circulation.