10 Troy Ounce Hand Cast 999 Fine Silver Art. Medusa On The Cover. This work is limited to a final edition of 40. No additional pieces will ever be created. Refined and Created by. At Adamo Metals, we hold true to timeless artistry. Each creation is born from fire, silver, and handcraft. Adamo Techne Silver represents a fusion of artistry and investment. The concept of “Techne” brings a timeless elegance to silver, transforming it from a mere precious metal into a canvas for intricate, one-of-a-kind engravings. It becomes something that can become a conversation starter or a family heirloom and can carry stories and connect people across time. A moment preserved in silver. A story kept forever.