It depends on the denomination.
5 ways.
Depends on what type of coins we are looking at.Coins have been minted with weights ranging anywhere from 1/20th (or less!) of an ounce of silver to 5 ounces + of silver.
3
Any combination of 90-percent silver U.S. coins which have a face value of US$1.00 contains 0.715 troy ounces of 99.9-percent silver (0.7234 troy ounces if uncirculated), except for the silver dollars (Morgan and Peace) which contain .7736 troy ounces of silver. In other words, a full troy ounce of 99.9-percent silver is contained in any combination of 90-percent silver U.S. coins which have a face value of US$1.40.Therefore, a roll of uncirculated 1964 dimes contains 3.617 ounces of pure Silver, while a roll of circulated 1964 dimes contains 3.575 ounces of pure silver.
The quarters, half-dollar and dime are struck in 90 percent silver, generally referred to as "coin silver". The combined weight is 0.97823oz of pure silver.
Silver
There are 47 ways using 5p, 10p, 20p and 50p.
It depends on which country's currency the question is about.
42
It is unlikely that you would be able to get free silver coins as Dr David Eifrig says. Many people believe that his claims are not totally accurate. Many of his investement ideas are very risky and it would be difficult to make money from them.
Silver is used in many things. It is used to make jewelry and other decorative items. The US mint also uses silver for making coins. Silver is valued for it's precious metal.