Beheadings of non-Muslims by Mohammedans was not an ISIS invention. The drawing above is a study for a painting that, due to the actions of Australia's judiciary, has never been painted: Honorary Anzacs in the House of Peace.

It is based on an infamous photograph. A book (from the late 1970s) in which it appeared authored by Sam Keene (see below) disgracefully used it as "evidence" of Greek malevolance for keeping alive the memory of crimes against humanity...

Information about this image can be found in Post-Humanist Transhumanist available on Amazon as a kindle or print edition.