Emblems of the Esoteric Magickal order Astrum Argentum, or Silver star, an initiatory magical order formed by Aleister Crowley upon his expulsion from the Golden Dawn, and friend George Cecil Jones. When Crowley became the leader of the Ordo Templi Orientis, it became the outer order of the A.A. Included are the symbols of the A.A. and the Ordo Templi Orientis, or O.T.O. The symbols are as follows:
The Sigillum Sanctum Fraturnitatus A A- the Holy seal of the Brotherhood of the Silver Star:
The outer portion, the septagram, is the symbol of the outer order, and represents the ceiling of the Vault of the Adepti (5=6 grade, G.D.), and the symbol of Babalon, a holy name of Binah. It corresponds to the High Priestess of the Tarot, whose title in Thelemic Tarot decks is “Priestess of the silver star.” Using the Hebrew system of gematria, the name Babalon enumerates to 156. Crowley devised a secret mathematical formula containing seven sevens:
It is a stylized version of this formula that appears in the center of the seal. The seal of the College of Thelema:
This symbol was once the personal lamen of CoT founder Phyllis Seckler, and was later adopted as the official seal of the College of Thelema. Its symbolism is borrowed from the lamen of the Martinists; the Hebrew letter yod in the triangle is replaced by the Eye of Horus. The Dove and chalice are borrowed from traditional Christian symbolism representing the descent of the Holy Spirit and a Chalice containing the sacrament of the mass.
The seal of the Cancellarius, or chancellor, an officer of the order: