https://creativecommons.org/publicdomain/zero/1.0/https://www.rawpixel.com/image/14000909![Prince Chulalongkorn of Siam [Thailand] (seated, centre), with Prince Bhanugrangsi Savanwongse (standing next to him) and…](https://images.rawpixel.com/image_social_square/cHJpdmF0ZS9sci9pbWFnZXMvd2Vic2l0ZS8yMDI0LTAyL2xyL3djcGN5ZzZnNWMtaW1hZ2UuanBn.jpg)
![Prince Chulalongkorn of Siam [Thailand] (seated, centre), with Prince Bhanugrangsi Savanwongse (standing next to him) and Prince Kasemsan Sophak (standing, right). Photograph by John Thomson, 1866.](https://images.rawpixel.com/image_200/cHJpdmF0ZS9sci9pbWFnZXMvd2Vic2l0ZS8yMDI0LTAyL2xyL3djcGN5ZzZnNWMtaW1hZ2UuanBn.jpg)
Prince Chulalongkorn of Siam [Thailand] (seated, centre), with Prince Bhanugrangsi Savanwongse (standing next to him) and Prince Kasemsan Sophak (standing, right). Photograph by John Thomson, 1866.
Prince Chulalongkorn of Siam [Thailand] (seated, centre), with Prince Bhanugrangsi Savanwongse (standing next to him) and Prince Kasemsan Sophak (standing, right). Photograph by John Thomson, 1866.
Original public domain image from Wellcome Collection
Public DomainFree CC0 image for Personal and Business use