File:Praskovia Ivanovskaia.jpg

Public domain image of Praskovia Ivanovskaia, a Russian revolutionary during the early 1900s. This photo was taken in the late 1800s or early 1900s and is therefore in Public domain as the copyright has long since expired.

Source
www.spartacus.schoolnet.co.uk

Licensing
Image was created more than 70 years ago by unknown author, therefore it is Public Domain