own so-called "Zoso" symbol originated in 'Ars Magica Arteficii' (1557) by J Cardan, an old alchemical grimoire , where it has been identified as a sigil consisting of zodiac signs. The sigil is reproduced in "Dictionary of Occult, Hermetic and Alchemical Sigils" by Fred Gettings. [ 109 ] [ 110 ]