Thune 830S neck ring Torc RARE

Based on the 830S fineness mark paired with a "T" inside a shield, this piece is highly characteristic of the celebrated Norwegian silversmith firm N.M. Thune (often referred to simply as Thune) based in Oslo, Norway.A breakdown of the full hallmark configuration explains its origin:830S: Confirms that the item is solid Scandinavian silver with a purity grade of 83%.T in a Shield: This is the iconic registered maker's mark (sponsor's mark) for N.M. Thune