A letter to Greg Hill dated March 15, 1970—otherwise known as the First Day of the Season of Discord, Prickle-Prickle Discord 1st, Year of Our Lady 3136 (Also known as the Ides of Eris)—courtesy of Louise Crowley of the The Seattle Cabal.
The images of the Sacred Chao and the Illuminati Eye-in-the-Pyramid On Fire in the letter were later incorporated into the 4th edition of the Principia Discordia.
Origin art found, Hail Eris!