Is .9999 better than .999? It is purer: four nines means 99.99 percent silver, a refining standard associated with houses like the Royal Canadian Mint and The Perth Mint. In practice both are excellent; the four-nines mark is a signature of certain mints rather than a different collecting class.

Compare .9999 fine collectibles below by mint, weight, and certified grade.

Current inventory includes 72 pieces from 6 mints.