$1.00
A 2002-S silver proof Kennedy has an average retail value of $18.00.
A 2002 silver eagle is worth whatever one ounce of silver is worth. At the time of writing, an ounce of silver is worth about $22 and a silver eagle would be worth the same. However, silver fluctuates in price on a minute to minute basis.
An 1879 "Silver Dollar" is a Morgan dollar.
The silver one dollar American Buffalo coins are all dated 2001. This is the only year the U.S. Mint made this coin. You may have a 1 ounce "Silver Round" dated 2002 made to look like the official coin but it is not a U.S. Mint product. Take it to a local buyer of scrap gold & silver for an idea of value.
The coin isn't actually a dollar. It's a "silver eagle" containing 1 oz of pure silver and sold to collectors and investors. The $1 denomination is artificial. Its actual value changes with the price of silver bullion; as of 02/2010 it sells for about $17-18.
A Morgan 1882 Silver Dollar has 0.7735 of an ounce of silver.
Its value is based on the ounce of silver it contains, plus a small premium. As of 6/2012 you could get about $30 for it. Current silver prices can be seen at www.kitco.com
All 2002 Silver Eagle coins were struck at WestPoint but only proof coins have the W mint mark It is on the back (reverse) of the coin under the left wing.
No, a silver dollar does not equal a half dollar. Instead, in the USA it equals a full dollar.
The coin is a Susan B. Anthony dollar and has no silver in it, it's just a dollar coin.
The Morgan Silver Dollar can range from $25 to $70, and the Peace Silver Dollar from $50 to $300.