King Bhumibol Adulyadej (Rama IX), 5th Definitive Series

Thailand · 1961 · 5 Satang

This definitive stamp features a left-facing portrait of His Majesty King Bhumibol Adulyadej (Rama IX). The design is simple and elegant, with the King's portrait set against a solid color background, typical of the definitive series of the era. The country's name is inscribed in Thai script at the top, with the denomination in both Thai and Arabic numerals at the bottom.

Issued as part of the fifth definitive series during the long reign of King Bhumibol Adulyadej, this stamp was a workhorse of the Thai postal system. The King was a deeply revered figure, and his image on postage was a symbol of national unity and stability.