Any of a great number of pawn stores and jewelers.
Since WikiAnswers does not permit spam (solicitation) you might want to check the local YP for some potential buyers.
You can sell silver coins to a coin collector, jewelry shop ect.
The Tennessee Bicentennial was in 1996 and after a little searching on the Penney's website, it can be concluded they no longer sell those coins unless it would be a local sale in Tennessee.
Most good womens shops sell them
Some banks do sell American Silver Eagles, but they do not hold and sell silver coins that are turned in.
Ebay can be a good place to sell coins. If you don't want to do that take it to a coin collector.
Many coin dealers and jewelers buy gold & silver.
Jewelers and coin dealers buy gold and silver.
somewhere
Most coin shops or jewelry stores will buy silver coins at around spot price. Ebay and Craigslist are other places to sell your coins.
Many coin dealers and jewelers buy gold & silver.
Coin dealers and jewelers do buy gold & silver coins.
If you are talking about a US coin, you have to go to the US mint website to buy silver coins. Banks don't sell silver coins. They don't distribute them either.