What is a 1989 American eagle silver dollar worth?

This coin is actually a bullion piece sold for its metal content and not for spending. The dollar denomination is artificial. Its value will change with the price of silver, but as of 09/2009 these items retail for about $14 in uncirculated condition.

It has a higher numismatic premium in proof grades:

PF63.................$26
PF64.................$27
PF65.................$28
PF66.................$29
PF67.................$30
PF68.................$31
PF69.................$48
PF70.................$1,065