Hallmark guide · Silver
What does 900 / COIN mean?
In the US, the words 'coin' or 'coin silver' may only be used on items that are at least 900/1,000 pure silver (FTC Jewelry Guides). 900 is also the fineness of pre-1965 US silver coins.
- Metal
- Silver
- Purity
- 900/1000
- Where
- US
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Often confused with
- Birmingham Assay Office's silver guide uses 'coin silver' for 800 silver, which differs from the US legal meaning of 900. Use the number stamped, not the word.
- The National Stamping Act bars the word 'coin' on silver-plated articles.
02
What a piece marked 900 / COIN is worth
Melt value $142.52. Likely cash offer $99.76 – $128.27.
90% fine silver10% copper & alloy
Broken or unmarked pieces usually sell for melt. Get two quotes and compare them with the offer range above.
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