<Cup Made of Pure Silver>
Pure silver is used for the inside of the cup, and mokume gane that is made from the layers of silver, shakudo, and copper, is used for the outside of the cup.
The cup looks very small, but it has weight.
In Europe, silver was often used as a material for the cup because the cup will directly touch inside of the mouth. This cup is also made of silver and mokume gane are complementing it beautiness.