What is the value of an 1818 US quarter?

Normally this coin is called a "bust quarter" because it shows a bust-type portrait of Miss Liberty. Numismedia lists the following retail values as of 07/2009:

Very worn condition - $85

Moderately worn - $210

Slightly worn - $600

Almost no wear - $1650

Uncirculated - $3400+
This coin needs to be seen for an accurate value. 1818 is the highest mintage of this series. A coin in average circulated condition is valued at $90.00-$575.00. Take it to a coin dealer for a better idea of value.