Three months after the assasination of President Kennedy the US Mint changed the design of the silver half dollar to honor JFK. In 1964, when the coin was first minted, it contained the usual 90% silver content (11.25 g) that Americans were familiar with.

A year later the silver content was reduced and the coin was lightened. From 1965 up through 1970 Kennedy Half Dollars contain only 40% silver, which comes out to 4.60 g per coin. When 1971 rolled around Americans were presented with half dollars which contained nothing more than copper and nickel.

In 1965 the composition of US dimes and quarters were also changed to remove the silver. And finally in 1970, with the removal of silver…

In 1916 The Walking Liberty half dollar, also referred to as the Walker, replaced the Barber half dollar and marked a change in the way US coins were designed. Since 1793, when the US mint first opened, the half dollar, quarter dollar and the dime had all carried the same design.

President Theodore Roosevelt wanted the US mint to change the way the coins were designed so that each denomination would have a different look. The striking of the new Winged Liberty, or “Mercury” dime, the Standing Liberty quarter and the Walking Liberty half ended the long practice of using a uniform design on…

The Benjamin Franklin Half Dollar was the first circulated US coin to feature a real person, who was not a president, in the design. The idea for a coin to honor Benjamin Franklin came from Mint Director Nellie Tayloe Ross. Franklin was very well known and respected not only for his role as one of the Founding Fathers of the United States, but also for his talents as a writer, printer, scientist and inventor.

Sinnock died in 1947 before the design was completed. He had not included an eagle in the design, although the Coinage Act of 1873 mandated that an eagle had to appear on all US…