HANOI, Aug 13 (Bernama) -- Workers at a cemetery in Vietnam's northern Hai Phong city have recently unearthed 52.9 kilograms of Vietnamese and Chinese coins, which was circulated from the 14th to the 15th century.

Quoting a local newspaper's report on Wednesday, China's Xinhua news agency reported that the workers found two glazed terra-cotta jars containing the coins when they were digging the earth in Kien Thuy district.

According to the appraisal of the Hai Phong Museum, some coins were circulated in the reign of Chinese emperor Zhu Yuanzhang, the founder of the Ming dynasty, and others in the reign of the Vietnamese King Le Nhan Tong.

The jars were found at the archeological site of Go Gao which housed a food warehouse in the feudal time, the newspaper said.