Value of American eagle silver dollars?

American Eagle coins vary wildly in price depending on what type of coin it is, and the price of silver. They all contain 1 troy ounce of silver and the generic bullion coins are worth, at the time of writing a bit more than spot price of silver which is $29. If you have a proof coin in special mint packaging, it is worth quite a bit more around $60. Also, depending on collector demand, certain years might be worth a bit more.