In the past 20 years, a great number of COINS and other collections were certificated by NGC around the world.

在过去20年中，全球许多最重要的钱币和收藏品都经过NGC鉴定。

youdao

In the past 20 years, a great number of COINS and other collections were certificated by NGC around the world.

在过去20年中，全球许多最重要的钱币和收藏品都经过NGC鉴定。

youdao