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<p>[QUOTE=&quot;Conder101, post: 3061974, member: 66&quot;]Pure silver is 10.5 not 9.5. The specific gravity of awar nickel is between 9.25 and 9.32 specific gravity of the coppernickel five cent piece is 8.92. You&#039;d have to take a little care, and you only need a scale capable of going to at least two decimal places, but you should be able to tell war nickel from a coppernickel five cent piece using specific gravity. Accuracy to one decimal place is not too difficult to achieve. To go beyond that though you&#039;re going to need a really good balance and you&#039;ll have to make allowances for water temperature, drafts, and other variables.[/QUOTE]</p><p><br /></p>

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