Magick Alley is happy to offer these Sterling Silver, 2 inch pendants to Wizards and Wizards-to-be the world over.The Penkhaduce is the Sigil of Wizardry and the Grey School. Created by the Grey School's Founder, Oberon Zell Ravenheart, this powerful mysticalsymbol combines the Pentagram, the Ankh, and the Caduceus, representing the interconnected and secular nature of Wizardry.