Thailand. (Trade Advert Cards). Circa 1900. French Trade card for 'Edition de la Chocolaterie D' Aiguebelle (Drome)' inscribed 'La Post su Siam' and depicting 'Postman on Thai Elephant with 1st issue stamp and Siam flag with white elephant on red background'.
Riverboats, runners and Elephants helped the mail get through in the early days of Siam post.