This is the printed "Sigil of Ahriman" from Michael W. Ford's "
DRAUGA - Ahrimanian Yatuk Dinoih" (Succubus Books), richly illustrated by Kitti Solymosi and printed here on 8 x 11 " Parchment paper w/ protective sleeve. The reverse gives a Pahlavi spelling of "Yatus" (sorcerer) and a basic explanation of Ahriman the Adversary in Luciferianism and ancient Persian sorcery. The pewter pendant is found
HERE.