The Franklin half dollar was struck from 1948 until 1963 and was designed by Mint engraver John R. Sinnock, who also designed the Roosevelt dime. It was the last coin credited to Sinnock, who passed away in 1947 before it circulated.
Sinnock’s Franklin featured the bust of the great Philadelphia inventor, publisher, and signer to the Declaration of Independence on the obverse, with an image of the Liberty Bell on the reverse. Sinnock adapted his Liberty Bell from one he had used for the 1926 commemorative sesquicentennial half dollar. As it turned out, Sinnock's bell was based on an uncredited sketch by fellow engraver John Frederick Lewis.
To contemporary eyes, the Liberty Bell appears innocuous, but it was greeted with strenuous objections from the government’s advisory Fine Arts Commission. The controversy concer...
Another feature of the coin’s reverse is a small heraldic eagle, which was placed there thanks to a 1792 law requiring all coins of greater denomination than a dime to depict the regal raptor. Engraved by Frank Gasparro, the eagle was placed to the right of the bell, but its relief during the coin’s first decade of circulation was so low that in 1958 a Type II coin was introduced. Eagles on these coins featured greater relief and can be differentiated from earlier versions by the three eagle wings to the left of the bird’s perch rather than four.
The most common problem with the Franklin half dollar is on the reverse, where the rows of faint horizontal lines at the bottom of the bell are often incomplete. Coins with fully struck lines are highly sought-after by collectors. The most infamous error occurred in the 1955 coins, in which a die clash gave Franklin a few extra teeth, creating what has become known as the Bugs Bunny variant.
Like the Roosevelt dime, the Franklin half dollar bore Sinnock’s initials. But on the Roosevelt dime, Sinnock used only the letters "J" and "S" for his first and last name, which some Americans believed stood for Joseph Stalin, a claim the U.S. government was obliged to counter with the facts. To squelch such Cold War rumors before they got started, Sinnock added his middle initial, "R," to his signature on the Franklin half dollar.
Franklin half dollars could have been struck in 1964, but on November 25, 1963, just three days after the assassination of President John F. Kennedy, Mint director Eva Adams called engraver Gilroy Roberts to inform him that the late president's portrait needed to be readied for a silver coin. By December 10, 1963, Congress had passed a bill authorizing the Kennedy half dollar.
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