Cartier Silverium Panthère PendantA beautiful 1980s Silverium Panthre Pendant by Cartier. The black silverium is in amazing condition, as you can see in our photographs. The Pendant is not supplied with a chain. These famous Cartier Silverium Pendants were manufactured in the late 1980s using a patented technique combining silver and sulphur. This gave a black colour throughout the piece, not just a surface patina. This process was developed by renowned jeweller Lucien Vachey, and