1979-S 5C Type 1, DCAM PR70DCAM Certification #13683619, PCGS #94212
In 1979 the U.S. Mint struck the 1979-S Proof Jefferson Nickel with two different mint marks. The Type 1 mint mark is less clear and is also referred to as a filled s mint mark. The Type 2 1979-S Proof Jefferson Nickel has a clearer s mint mark and is referred to as a clear s mint mark. Both varieties are very collectible and very popular with Proof Jefferson Nickel collectors.