Thai Banknotes

Thai banknotes form one of the most structured and historically varied areas of Asian paper money collecting. Across 17 regular series and numerous commemorative issues, Thailand paper money traces the country’s transition from early Siam banknotes through royal portrait series, wartime emergency issues, and modern polymer currency.

NumisAsia specializes in rare Thai paper money, including early Siam issues, historic royal portrait banknotes, specimens, commemoratives, and professionally certified examples graded by PMG and PCGS.

The history of Thai paper money reflects the modernization of the country’s monetary system. Before modern banknotes became established, Siam used a variety of forms of money, including cowrie shells, locally produced tokens, and distinctive silver Pot Duang or bullet money. During the reign of King Mongkut (Rama IV), early forms of state paper money such as Mai and Att Kradat appeared, helping establish the foundations for later paper currency.

The modern era began in 1902 with Series 1 banknotes. Printed by Thomas De La Rue in England, these early Siam issues were produced with the principal design printed on one side and are widely known among collectors as uniface notes. Series 2 introduced double-sided banknotes and is particularly recognized for the Royal Ploughing Ceremony vignette on the reverse.

Series 3 marked an important change by introducing the portrait of the reigning monarch. The first type featured King Rama VII, while a later type depicted King Rama VIII. Series 4 continued this transition and includes notes carrying both the “Government of Siam” and later “Government of Thailand” headings following the country’s name change in 1939.

World War II disrupted the supply of banknotes previously printed overseas. The newly established Bank of Thailand began operations in 1942, while wartime circumstances led to domestic emergency production and banknotes printed in Japan. Series 4 through 8 therefore include some of the most historically varied issues in Thai paper money, including post-war notes printed in the United States.

The reign of King Rama IX encompassed Series 9 through 16 and a major expansion in Thai banknote design and production. Thailand established domestic banknote production capability through the Bank of Thailand’s Note Printing Works, reducing reliance on overseas printers. This period also saw the development of an extensive tradition of commemorative banknotes celebrating royal and national events.

Thailand later introduced polymer technology through commemorative and circulating issues. Today, under King Rama X and Series 17, polymer has become an important part of Thailand’s circulating banknote system. From early Siam issues to modern polymer notes, the country’s paper money offers collectors a broad combination of history, design, varieties, and specialized collecting opportunities.