Tự Đức Thông Bảo was an inscription used on different coins made from various metals and alloys during the reign of Emperor Tự Đức. The coinage of Tự Đức saw the introduction of the term văn (文) which was an accounting unit used for copper-alloy cash coins denominating their worth in number of zinc cash coins with a weight of 6 phần.
Tự Đức Thông Bảo
A zinc Tự Đức Thông Bảo coin of 6 phần.
A Tự Đức Thông Bảo (嗣德通寶) cash coin with the reverse inscription "六文" (Lục Văn) indicating that it was worth six pieces of zinc cash coins.
A silver Tự Đức Thông Bảo coin of 7 tiền.
Tự Đức was the fourth emperor of the Nguyễn dynasty of Vietnam; he ruled from 1847 to 1883.
Portrait by L.Ruffier
Théophane Vénard, French Catholic missionary was executed by Tự Đức in 2/2/1861.
Martyrdom of Augustin Schoeffler.
French and Spanish force capture of Saigon in 1859