coin specie

例句：

1. 1. He was so proud of his collection of rare coins.
   他为自己的稀有硬币收藏感到非常自豪。
2. 2. The ancient coins are now considered valuable antiques.
   这些古代硬币现在被认为是珍贵的古董。
3. 3.The coins were minted in the 19th century and have been passed down through generations.
   这些硬币是在19世纪铸造的，并且已经传了几代人。