Please check your coin again. It's either not 1943 or not Ben Franklin. Half dollars dated 1916 to 1947 carry the Walking Liberty design. Franklin's picture was on the half dollar from 1948 to 1963.
The 1943 Walking Liberty half dollar is the high mintage of the series with an average value of $5.00 to $8.00 in circulated condition.
50
999,999,999,999,999,999,999,999,999,999,999,999,999,999,999,999,999,999,000
Roosevelt is on the dime and Franklin is on the half dollar. Value is $7.00 to $8.50
A 1954 US half dollar has a bust of Ben Franklin on the obverse, not Miss Liberty. Franklin half's are common, if it shows any wear the value is just for the silver about $10.00.
The last Franklin Half Dollar was minted in 1963.
The 1943 Walking Liberty half dollar is the high mintage of the series with an average value of $5.00 to $8.00 in circulated condition.
50
999,999,999,999,999,999,999,999,999,999,999,999,999,999,999,999,999,999,000
Value is for the silver, about $6.00
Roosevelt is on the dime and Franklin is on the half dollar. Value is $7.00 to $8.50
A 1954 US half dollar has a bust of Ben Franklin on the obverse, not Miss Liberty. Franklin half's are common, if it shows any wear the value is just for the silver about $10.00.
The 1963 Franklin half dollar is so common if it has any wear at all the value is for the silver only, about $10.00.
The most valuable Franklin half dollar is the 1953 deep cameo proof in PR68 condition. It has a value of around $65,000.
You have a Franklin half dollar - a 1957 proof coin is worth around $25.00.
Most 1943 Walking Liberty half dollars show heavy wear and retail value is $12.00 regardless of any mintmark.
A U.S. half dollar dated 1953 or 1952 is a Franklin half dollar. If it shows any wear, the value is only for the silver, about $10.00. The coins are very common.