Unless it is uncirculated, it's pocket change.
This date is still found in circulation and is only face value.
The value of a United States mint coin set varies. It needs to be in its original packaging with appropriate documentation. A 1956 US mint set has an average value of $40.00.
The value of the set is dependent on condition. However, the proof set value is between $50 and $70 US.
Average retail value: $1.00-$3.00
The diameter of a US nickel is 0.835 inches.
Unless it is uncirculated, it's just a nickel, 1956 Jefferson nickels are common and still found in circulation.
This date is still found in circulation and is only face value.
It's the usual practice of this site to answer a single question at a time. Please see:"What is the value of a 1940 US nickel?""What is the value of a 1942 US nickel?""What is the value of a 1944 US nickel?"
If you found it in your change, it's worth 5 cents.
Nickels only contained silver during WW2. All other dates are made of 75% copper and 25% nickel. Please see the Related Question for more information.
As of 16 Feb 2018, the melt value of one US nickel is 4.4 cents.
This coin is worth 5 cents unless it is close to or is uncirculated.
This design is called either a buffalo nickel or an Indian head nickel; both names are about equally common. Please see the question "What is the value of a 1919 US nickel?" for more information.
The US nickel was first issued in 1866. Please double-check your coin.
5 cents.
Please check your coins again and post a new, separate question. The last Indian Head nickels were made in 1938. Any 1956 or 1958 nickel is a standard Jefferson nickel, and has no special value in average condition.
A 1957 nickel is worth face value only, unless it's uncirculated or a proof coin.