The pure silver Olympic mascot souvenir set, based on 999 pure silver, combines the technique of coin making and relievo coloring.
The pure silver Olympic mascot souvenir set, based on 999 pure silver, combines the technique of coin making and relievo coloring.
奥运吉祥物纯银套装以999纯银为材料，采用造币技术和浮雕加彩工艺。