What is the value of an 1863 US quarter?

Numismedia lists the following approximate retail values as of 10/2010:

Very worn condition - $32

Moderately worn - $55

Slightly worn - $104

Almost no wear - $414

Uncirculated - $540 to $7,440 depending on quality

There is no mint mark to look for because quarters were only minted at Philadelphia in 1863.

DISCLAIMER: The values quoted are the best available, but may vary due to market fluctuations. Also the wholesale (buying) price of a coin will be less than the selling (retail) price. A reputable coin dealer will be able to give a more accurate valuation based on inspection of the coin.