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.
CasparDavidFriedrichBasel. de Selbstbildnis Friedrich In Holz geschnitten von dessen Bruder Christian scanned by uploader Creator Caspar David Friedrich PDold Selfportraits by Caspar David Friedrich Drawings by Caspar David Friedrich
Page 2023 Free-images.com. All images are Public Domain