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Trấn Hà Tiên
Mạc Thiên Tứ
An Pháp Nguyên Bảo
(Version 3)
河仙鎮
鄚天賜
安法元寶
(版型三)
Item number: A3130
Year: AD 1736-1780
Material: Bronze
Size: 21.5 x 21.5 x 0.3 mm
Weight: 1.25 g
Provenance: Spink 2023
This coin, titled An Pháp Nguyên Bảo, was minted during the 18th century, a period in which Vietnam was divided between the Trịnh lords in the north and the Nguyễn lords in the south. At that time, the southern coastal region of Vietnam and adjacent areas of Cambodia along the Gulf of Thailand were under the control of the Hà Tiên polity, a semi-autonomous entity established by Chinese immigrants and nominally subordinate to the Nguyễn regime of Quảng Nam. The coin was issued during the reign of Mạc Thiên Tứ, the second ruler of Hà Tiên.
The coin adopts the square-holed design characteristic of traditional Chinese cash coins, reflecting strong Chinese influence. On the obverse, the inscription is arranged in a clockwise order—top, bottom, right, and left—reading “An Pháp Nguyên Bảo” (安法元寶) in Chinese characters. Notably, the character “Pháp” (法) at the bottom is rendered in seal script, while the remaining three characters are written in regular script. This mixture of calligraphic styles is a distinctive feature commonly found in Vietnamese coinage. The reverse of the coin is plain, with no inscriptions or decorative elements.
After the Qing Empire crossed the Great Wall and replaced the Ming Dynasty, many Han Chinese who refused to live under Manchu rule fled to Southeast Asia to seek a new life. Among them was Mạc Cửu, the founder of the Hà Tiên polity and father of Mạc Thiên Tứ.
In AD 1671, Mạc Cửu, originally from Guangdong, left China and migrated to Cambodia. He gained the favour of the Cambodian king and was granted permission to develop parts of the Mekong Delta. Leading a group of followers, Mạc Cửu transformed the lower Mekong into a thriving commercial port. By AD 1708, he shifted allegiance to the Nguyễn lords based in Huế (then the capital of the southern Vietnamese regime of Đàng Trong, or Quảng Nam), placing his territories under their suzerainty.
In AD 1736, Mạc Thiên Tứ succeeded his father as the ruler of Hà Tiên and continued to develop the polity as a regional hub. He actively engaged in diplomatic relations with neighbouring Southeast Asian states. For instance, he provided refuge to exiled members of the Cambodian royal family during the kingdom’s internal conflicts, as well as to Ayutthayan royals fleeing Burmese invasions. Through these acts of asylum and political engagement, Mạc Thiên Tứ gradually expanded his influence across the region.
In AD 1771, Zheng Zhao (King Taksin of Thonburi), himself of Chinese descent, launched a military campaign against Mạc Thiên Tứ after successfully expelling Burmese forces from Siam. He demanded the extradition of exiled Ayutthayan royals who had sought refuge in Hà Tiên, and subsequently occupied the city.
By AD 1773, under sustained military and diplomatic pressure from the Nguyễn lords of southern Vietnam, Zheng Zhao withdrew his forces from Hà Tiên. Mạc Thiên Tứ soon returned to power, but his restoration was short-lived. When the Nguyễn regime faced a rebellion by the Tây Sơn movement, Mạc Thiên Tứ dispatched troops in support of his Vietnamese allies. However, the joint forces of Mạc Thiên Tứ and the Nguyễn lords were defeated by the Tây Sơn.
Following this defeat, Mạc Thiên Tứ was forced into exile and sought refuge in Siam. In AD 1780, he was betrayed and arrested by Zheng Zhao, who subjected him to imprisonment and torture. To preserve his loyalty to the Nguyễn lords, Mạc Thiên Tứ ultimately chose to commit suicide by poison.