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kgb answers Â» Local & Lookup Â» Definitions & Word Origins Â» What does it mean when a coin says its .999 fine silver enriched? The .999 Fine Silver Enriched means that this is not pure silver, but has a heavy silver content. The purity rate for silver bars and rounds is much the same, but they come in 3 typical forms other than jewelry or forks and spoons. Bars and rounds at .999 fine is a higher grade of purity than collectible silver coins, which are typically 90% fine or .900, or sterling silver, which is 92.5% fine or .925.
The difference between raw versus numismatic forms of precious metals like gold and silver is an important one. Financial institutions and markets use the term âbullionâ or âboullionâ to refer to a precious metal that is âin the lumpâ or unformed, where the value is by ounce.