These copper medallions are printed with my original drawings, then Sterling silver is overlayed and reticualted onto each disc.
This procee requires first drawing the design on brass, then etching with a chemical solution, essentially creating a 'print block' and then using that to print onto a softer material, by running through a roller press.
The results are beautiful and vary slightly on each piece. 
Some pieces I add patina, sterling silver or chemichal solutions to enhance the design and bring out the textures.
These have an additional element of a sterling silver hoop resembling a circle around the sun. 
They make a nic tingling sound. 
Enjoy!
The copper is sealed to prevent discoloring on the skin