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:
Brusov. Valry Brioussov painting Institution State Literature Museum hrono ru html other versions ArmenianStamps PDold Portraits by Sergey Malyutin Portrait drawings in the State Literature Museum Valery Bryusov Files uploaded by Shakko from various sources portrait paintings portraits of Russia male thcentury portrait
Page 2017 Free-images.com. All images are Public Domain