This image was acquired from
wikimedia. It was marked as Public Domain or CC0 and is free to use. To verify, go to the source and check the information there.
Giorche petrov svidetelstvo. en Georche Petrovs certificate for bulgarian school bg Regional Public Archive Plovdiv Director of the school Public domain AnonymousEU Georche Petrov documents Education in Bulgaria Cyrillic writing
Page 2023 Free-images.com. All images are Public Domain