Tantalum 999 with a matte finish, top 1.5 x 1.4cm. Size 54/55.
About tantalum (courtesy of Wikepedia):
Previously known as tantalium, it is named after Tantalus, a villain from Greek mythology.Tantalum is a rare, hard, blue-gray, lustrous transition metal that is highly corrosion-resistant. It is part of the refractory metals group, which are widely used as minor components in alloys.The chemical inertness of tantalum makes it a valuable substance for laboratory equipment, and as a substitute for platinum.
The flat surface with the seal creates the typical shape of the signet ring is, which forms the basis of the whole structure of the piece of jewellery. The combination of the ring and the image on the body makes its meaning visible: authority, privilege, belonging. These meanings disappear with the "sign.et" rings by highlighting their structure that has been made visible.