What is a 1971 one dollar coin worth?

If your 1971 coin is a uncirculated example it may be worth about $5.00 because the 1971 & 1972 issue coins were not included in the Uncirculated Mint sets sold from the Mint in those years, but in general none of the Eisenhower dollars regardless of date or mintmark struck for general circulation contain any silver or have more than face value. Only proof and uncirculated collectors coins sold from the Mint have premiums