None of the Bicentennial half dollar coins made for general circulation contain any silver or are worth more than face value. Only Proof and collectors coins sold from the US Mint are worth more.
The coin is face value
The bicentennial half dollar is extremely common, and is still worth 50 cents.
50 cents. They are in common circulation.
A Jefferson half dollar would be a real find, because Jefferson is on the nickel and JFK is on the half dollar. Regardless, a 1979 nickel is worth 5¢ and a 1979 half is worth exactly 10 times as much.
If you look on the back it's a HALF dollar, not a dollar. Value is about $2.00 for the silver content.
It's worth 50 cents.
At present, it's worth around $10.50.
JFK
Half a dollar. Idiot.
It is only worth 50 cents, it contains no silver and is in common circulation.
There's no such coin. JFK is on the half dollar.
The coin is only 40% silver with a value of about $4.00