Masonic regalia. The Third Eye symbol is always placed in the middle, balanced between sun and moon.
In her 1924 book, Mystic Americanism, the obscure American author Grace Morey explained:
“The All-Seeing Eye…also emblematic of the…third eye of the human being…has been found amid the ruins of every civilization upon the globe, thereby attesting the fact of a universal religion over all the earth at some remote period. As we now restore this universal religion, we set the All-Seeing eye upon the pyramid.
