What is the value of a 1940 united states nickel?

1940 nickel; * With no mint mark, in fine condition-$0.20, in uncirculated condition-$1.75, proof-$37.50. * With D mint mark, in fine condition-$0.25, in uncirculated condition-$3.75. * With S mint mark, in fine condition-$0.30, in uncirculated condition-$3.50.