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I picked up 5 in a huge lot of coins. 3 look silver and the other 2 I'm pretty sure are copper clad. My question is this....I found a chart onlinr with the mintage of the coins and that they made some .999, silver clad, and then some copper clad. Now if the coins are the same size, which would weigh more or less?

How do I know if I got silver versus silver clad or whatever that is????