1942 Type 1 versus Type 2 Jefferson Nickel
If you are wondering what the difference is between a Type 1 and Type 2, 1942 P Jefferson Nickel and how to tell the difference in them. Check the back (reverse) of the nickel and if there is a large P above the dome of the Jefferson Memorial then it is a Type 2 1942 P Jefferson Nickel. If there is no mintmark on the coin at all it is a Type 1. The difference is in the composite metals in the coin that was changed during the U.S. involvement in World War 2. The Type 2 contains approx. 35% Silver to replace Nickel because Nickel was used to make weapons and armor during the WW2.