Sisavang Vong, originally Prince Khao, was born on July 14, 1885 in Luang Prabang, Luang Prabang Kingdom. He was the last ruler of the Kingdom of Luang Prabang and the founding king of the Kingdom of Laos. He ascended the throne at the age of 18 after his father's death, and in accordance with Lao traditions, took the name Sisavangvong. During Sisavang Vong's reign, he ruled several other Lao kingdoms in the territory of Laos under the French colonial authorities. For example, it annexed Houaphan province in 1931, Houakhong, Xiengkhouang and Vientiane in 1942, and Champassak and Sayboury in 1946. After the Second World War, in 1945, the Lao national movement, Lao Issara, proclaimed independence. , and Sisavang Vong was removed from the throne as he sided with the French administration. Later, in 1946, the French authorities restored him to the throne, marking the first time in nearly 250 years that a Lao ruler ruled all of Laos. Sisavang Vong's reign lasted 55 years, and when he fell ill, his son, the crown prince , he appointed Savang Vatthana as his deputy. He succeeded him on the throne after he died in 1959. It is an interesting fact that he was the first ruler of the Kingdom of Laos, which became an independent monarchy after breaking away from French colonial rule. He also took part in the 1947 National Assembly elections. Lao coinage also began during the reign of Sisavang Vong, when the Kingdom of Laos was established. The first Lao coins appeared in 1952 and were based on the French Indochinese piastre.

In 1946, when the Kingdom of Laos, which broke away from French colonial rule, was established, Sisavang Vong became its first ruler. At that time, the Lao national coinage began, which was based on the French Indochinese piastre. The first coins of the Lao coinage appeared in 1952, they were of 10, 20 and 50 centimes and were made of copper. The obverse of the coins features the portrait of King Sisavang Vong, and the reverse bears the coat of arms of Laos. The coat of arms features a three-headed elephant, a sun disk, a moon disk, and the golden Buddha statue of Pha Bang, which gave the name to the royal city of Luang Prabang. In 1957, new coins were issued in denominations of 1, 5, and 10 kip, and were made of aluminum. were made. The obverse of the coins still featured the portrait of King Sisavang Vong and the reverse the coat of arms of Laos. King Sisavang Vong died in 1959 and was succeeded on the throne by his son Sisavang Vatthana. However, the coinage did not change, the portrait of the new king did not appear on the coins until 1962.