1965 Coin Act Changes The Face Of U.S. Coins

The 1965 coins went through a number of changes, some of which are still in use today. Reduction of silver in the coins and leaving off mint marks were to discourage coin hoarding. Proof sets and mint sets were not produced for 3 years.

1970s Mint Sets: Little-Known Facts About The Coins And Their Values

The 1970s were a colorful time for U.S. mint sets. The first mint set of the 1970s still included regular-issue silver coins. The last 1970s mint set offered the first of the very unpopular Susan B. Anthony dollars. In between, Bicentennial coins, S-mint coins, and the large Eisenhower dollars all had their day in the in 1970s mint sets.