Sigil of Sulfur
From Super-wiki
Sigil of Sulfur (popped up in the ‘60's in San Francisco)
A less commonly used symbol of Satanism.
The information given is a reference to [Anton Lavey's] [Church of Satan] which started in San Francisco in the late 60's, and popularised the, still obscure, Suphur symbol.
This may imply the existence of them, or a parallel group, in the Supernatural 'Verse. -- Cocombat 20:55, 20 August 2006 (PDT)
