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.
Keywords from Image Description:
Jens Petersen. en Jens Petersen Danish photographer Royal Library Copenhagen Denmark unknown possibly self portrait expired copyright Jens Petersen photographer Files from The Portrait Collection of the Danish Royal Library Black and white photographic portraits of photographers Selfportrait photographs Petersen Jens PDold