
This is a great site with page that gives you amount of silver in U.S. Coins.
Right now a good measure is 10-11 times face value.
From Coin News - automated Silver Coin Calculator
http://www.coinnews.net/tools/automated-silver-coin-valuator/
As the value of precious metals such as silver fluctuate over the years but with the near collapse of the World Banking system the price has risen to a high of over $19.00 The price of silver was less than a dollar per ounce in the 1950s to over 16 dollars per ounce today. Silver is affordable and now is still a good time to buy.