Thoth Tarot

Crowley originally intended the Thoth deck to be a six-month project aimed at updating the traditional pictorial symbolism of the tarot.

[citation needed] The illustrations of the deck feature symbolism based upon Crowley's incorporation of imagery from many disparate disciplines, including science and philosophy and various occult systems (as described in detail in his The Book of Thoth).

Crowley renamed several of the trumps compared to earlier arrangements, and also re-arranged the numerical, astrological and Hebrew alphabet correspondences of 4 trumps compared to the Hermetic Order of the Golden Dawn's inner order deck in accordance with the Tarot of Marseilles, his 1904 book The Book of the Law (Liber AL vel Legis) and its "New Commentary.

[9] Crowley accepted the Golden Dawn's changed names of all the court cards which can cause some confusion for people used to the more common decks.

A conservation plan called for cleaning the surfaces, the removal of backing (while retaining original inscriptions), reuse of the hand-painted window mats, and replacement of overlays with acid-free, museum-quality paper.