国家为纪念政治、文化、科学等领域内的重大事件或著名人物及古迹、文物、风景、稀有动物等而发行的一种特殊的货币。一般采用金银等贵金属铸造而成。具有较高的纪念意义和艺术价值。它不按所标面值发行，一般不进入市场流通commemorative coin

• 金银纪念币因含金量而贵价。

  Gold and silver commemorative coins are expensive because of their metal content.

• 目前涉及奥运题材的邮票、纪念币等产品，在收藏界正掀起新一轮追涨风。

  Currently Olympic-themed products such as stamps and commemorative coins are seeing a new wave of buyers chasing rising prices in collecting circles.