As we all know, the HK $10 coin (N#1581) has 4 years, 1993, 1994, 1995 and 1996. But when I was surfing Internet, I saw a 1998 coin. It has already been authenticated by PCGS (https://www.pcgs.com.cn/cert/40892780). Some people claim it is counterfeit, while others believe it is a survivor among the batch of coins originally minted for circulation but destroyed soon.

