It was marked as Public Domain or CC0 and is free to use. To verify, go to the source and check the information there.
This image was acquired from
Keywords from Image Description:
Nasser alDin Shah Louvre MAOEdit. Portrait of Nasser alDin Shah Qajar King of Persia islamic oil copper Size cm Institution Louvre object department islamic art object history Provenance Tehran Iran credit line ProvenanceEvent purchase accession number Louvre number selfphotographed MarieLan Nguyen PDold other versions
Page 2017 Free-images.com. All images are Public Domain