Crop of portrait of King Chulalongkorn which is displayed in the Chakri Mahaprasad Hall at the Grand Palace, Bangkok. Portrait created during the reign of King Chulalongkorn, meaning it was created no later than 1910 (identity of the creator is unknown to the uploader). Image taken from web page of the Public Relations Department, Region 3, at http://www.prdnorth.in.th/The_King/racha5.php.

This image is in the public domain in Thailand, because its term of copyright has expired. According to The Copyright Act of B.E. 2537, term of copyright is until: 1. For works that don't fall under (2.) or (3.), (a) fifty years after the death of the creator (or all creators), or (b) fifty years after the date of creation or first publication, whichever is earlier, if the creator is unknown or is a legal entity, or (c) fifty years after the date of first publication, if the creator (or all creators) died before publication. 2. For photographs, audiovisual recordings, motion pictures, sound recordings, or broadcast works, fifty years after creation or first publication, whichever is earlier. 3. For works of applied arts, twenty-five years after the date of creation or first publication, whichever is earlier.

 For full information on this image, see its image description page on Wikipedia.