What Is A 1979 Jefferson Nickel Made Of? The 1979 Jefferson nickel comprises 75% copper and 25% nickel. It has a mass of 5.00 grams and a diameter of 21.21 mm. It is 1.95 thick. There are also those ...

Colorado Gov. Jared Polis claimed in a post on X Wednesday that eliminating the penny and $1 bill could save millions of ...