Crown Prince Chao Fa Maha Vajiravudh, later King Rama V Chulalongkorn of Siam.

Visit the post for more.

Bhumibol Adulyadej , King of Thailand. He is also known as Rama IX, as he is the ninth monarch of the Chakri Dynasty. Having reigned since 9 June 1946 with his wife Queen Sirikit, 1960.

King Vajiravudh of Siam , in military uniform, circa 1910.