What does .999 fine mean? That the metal is 99.9 percent pure silver, the standard for modern collector coinage. The stated fineness is struck into or documented with each issue, and it is one of the facts third-party graders verify.

Compare .999 fine silver collectibles below by franchise, mint, weight, and grade. For the higher four-nines standard some mints use, see the .9999 fine collection.

Current inventory includes 513 pieces from 31 mints.