A small, very old metal brooch, likely steel, that shines faintly. It is stamped with a device of five interlocking circles — the same sigil that Professor Cyril Lancaster scrawled repeatedly across the encoded conspiracy wall in his hidden laboratory.

  • Found by Boo in Professor Aldric Venn’s private trophy case at Number 16 Camden Street during the Old Town Echoes’ raid, and pocketed. It was displayed among his collection rather than worn — a kept prize rather than a personal effect. Session 12
  • The same device surfaced again, and prominently: a piece of five interlocking rings in silver or platinum, set as the centrepiece of Lord Kilgrave’s artifact display at his open house and positioned where arriving guests would see it first. Session 15