Licence: Public Domain Mark
Credit: Glass negative showing King Mongkut of Siam (Thailand). Wellcome Collection. Source: Wellcome Collection.
![no text alternative](https://iiif.wellcomecollection.org/image/L0051188/full/800%2C/0/default.jpg)
Licence: Public Domain Mark
Credit: Glass negative showing King Mongkut of Siam (Thailand). Wellcome Collection. Source: Wellcome Collection.