1942P Copper Nickel Jefferson Nickel.
Wartime design with large mintmark.
This is the only known 1942P Jefferson Nickel
Struck on a prewar Copper Nickel planchet
Most valuable of the unique Copper Nickel war nickels:
1943P Copper Nickel Jefferson Nickel.
This is the only known 1943 Jefferson Nickel Struck on a prewar Copper Nickel planchet.
1944P Copper Nickel Jefferson Nickel.
This is the only known 1944 Jefferson Nickel Struck on a prewar Copper Nickel planchet