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:
Shahnama Met ... Folio from manuscript of Firdausi's Shahnameh Rustam and Esfandiar Page d'un manuscript du Shahnameh de Ferdowsi Rustam and Esfandiar islamic ink watercolour opaque gold paper cm Institution Metropolitan Museum of Art Department of Islamic Art object history ProvenanceEvent commission alHasan
Page 2017 Free-images.com. All images are Public Domain