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.
Carl Birnbaum. Carl Birnbaum deutscher Schauspieler und Opernsnger bayerischelandesbibliothekonline de Stadtmuseum Mnchen Portrtsammlung Creator Johann Moritz Rugendas PDold Opera vocalists
Page 2023 Free-images.com. All images are Public Domain