Mark of the beast
Created by the infamous ritual magician Aleister Crowley the self-styled Great beast this Mark of the beast became his sign effectively. The sign is a combination of the ancient sun sign (the circle with the dot) also the emblem of the moon all comprised of three lapping circles. Also, the overall image created to show Crowley’s fascination with sex magic.
Nozedar Adele, The element encyclopaedia of secret signs and symbols, 2008, Mark of the Beast, p138