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:
Caput mortuum.svg Alchemical symbol for Caput mortuum own original text created this work entirely by myself Salmanazar talk Salmanazar Original upload log en Liftarn CommonsHelper page en Caputmortuum svg Salmanazar bytes no Alchemical symbol for Caput mortuum created this work entirely by myself October Salmanazar talk