Dogs perform many roles for people, such as hunting, herding, pulling loads, protection, assisting police and military, companionship, and, more recently, aiding handicapped individuals. This impact on human society has given them the nickname  man's best friend  in the Western world.
When looking to acquire nickels with Silver content, look for Silver War Nickels. The term Silver War Nickels refers to those produced by the United States Mint from mid-1942 to 1945. These nickels differ from those minted before and after World War II, as those were made from 56% copper, 35% Silver and 9% manganese.
Halves dated 1971 or later are copper-nickel clad coins with the exception again of the special Bicentennial halves sold in the Mint Sets and Proof Sets with the âSâ mint mark, which are 40% silver. Among Eisenhower dollars, coins dated from 1971 through 1974 with the S mintmark are 40% silver.