For a chance to just look at the rarest modern American coin with his own eyes, David Hall will spend $10,000 — again. Hall, president of Collectors Universe and co-founder of Professional Coin ...

MANILA, Philippines — The Professional Coin Grading Service (PCGS), an authentication and grading company for high-value collectibles, joined the Minted MNL Summer Show and Auction held earlier this ...

在收藏品市场持续升温的当下，钱币评级机构如同钱币价值的“翻译官”，用专业标准为收藏者解读历史印记的经济价值。总部位于美国的PCGS（ Professional Coin Grading Service）是全球知名的第三方钱币评级鉴定机构，日前，PCGS正式推出中国古钱币评级服务，填补了 ...