The name of the Pope's Crown is Mitre
also the Square used in Carpentry;
https://archive.org/details/gloryofbyzantium0000unse/mode/1up?view=theater
https://archive.org/search.php?query=title%3A%28%2Agypt%29%20AND%20date%3A%5B1830-01-01%20TO%201945-01-31%5D