The Investiture Ceremony of HRH Crown Prince Maha Vajiralongkorn and the Commemorative Coin

This article presents the royal investiture of HRH Crown Prince Maha Vajiralongkorn on 28 December 1972 (B.E. 2515), a significant state ceremony during the reign of King Bhumibol Adulyadej (Rama IX). By royal command, HRH Prince Vajiralongkorn was officially proclaimed the Crown Prince of Thailand, with the presentation of the Royal Golden Plaque of Title, the Royal Seal, the Crown and other insignia. The ceremony included the Prince’s oath of allegiance, pledging loyalty to the nation, integrity towards the people and dedication to his duties for the peace and prosperity of the Kingdom of Thailand. The article also highlights the commemorative coin and the medal with ribbon issued by the Treasury Department to mark the occasion. Detailed specifications such as design, obverse and reverse depictions, artistic features, metal composition, weight, size, mintage, as well as the names of designers and sculptors are documented. These objects stand as enduring representations of Thai history, royal tradition, and cultural heritage.