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:
Wenceslas Hollar Old man clean shaven prominent chin and sinewy neck. Old man clean shaven prominent chin and sinewy neck cm Portraits Unidentified Or Uncertain Portraits Heads And Caricatures Caricatures and deformaties after Leonardo Prints after Leonardo da Vinci Anatomical illustrations by Wenzel Hollar