The Franklin Half Dollar was designed by John R. Sinnock, who also designed the Roosevelt Dime, which was released two years before the Franklin Half Dollar, in 1946. The Franklin Half Dollar was minted from 1948 to 1963 and was the successor to the popular Walking Liberty Half Dollar, whose obverse design is also on the modern American Silver Eagle coins. In my opinion, the Franklin Half Dollar, along with the other coins released during this time, started the age when American coins began to seem much more boring and uninteresting. The reverse of the coin contains the Liberty Bell, which is the part of the coin that causes the designation, FBL, which means “Full Bell Lines.” On the Liberty Bell, near both the top and bottom, are lines. If the lines are uninterrupted or mushed together, that means the coin is very well struck and may receive the Full Bell Lines designation by the leading grading services.