How much is a 1987 America's cup 999 silver coin worth?

How much is a 1987 America's cup 999 silver coin worth?
33,000 were made and range from $80.00 to $125.00 depending on silvers market value and if it is an auction item or not. I paid $86.00 for mine at a coin shop in Fresno, Ca on 6-3-09.