Treaty between the King of Thailand and Portugal

Tratado de Amisade, Commercio e Navegacao entre Portugal e o Reino de Siam assignado em Bangkok pelos respectivos plenipotenciarios aos 10 de Fevereiro de 1859. Lisbon Imprensa Nacional 1862
First edition Folio, pp.11. Bound in later quarter morocco.

A treaty of friendship, commerce and navigation between the King of Thailand and Portugal.