90%-silver half dollars were minted from 1794 to 1964 at 5 different mints so that's an extremely broad question. You need to know the coins' dates and mint marks before you can determine how much they're worth. Check a site such as www.numismedia.com for more information on values, and www.coinfacts.com for pictures and mint mark locations.
If you have half dollar coins dated 1965 to 1969 they are made of 40% silver and are worth a couple of bucks for their metal content.
Half dollars minted in 1971 and later are made of cupronickel and are only worth 50¢
The Brits did not produce Half Dollar coins.
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.
You most likely mean a kennedy half dollar with the date 1776-1976, such coins are common and unless in mint packaging are only worth 50 cents.
None of the bicentennial Kennedy 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.
It's only 50 cents, so spend it.
5-5-11>> The coin is a Kennedy Half dollar NOT a Liberty half dollar. So many were made that most coins are only valued for the silver (40%) at about $5.00.
The British have never produced a Dollar or cent coins. Their currency is the Pound.
It's common and circulated coins are only valued for the silver, about $12.00
None of the bicentennial coins regardless of denomination or mintmarks are worth more than face value.
Eisenhower dollar coins were not struck until 1971, if you look at the back of the coin you will see the words HALF DOLLAR. The coin is a Franklin Half dollar and is valued at $4.50
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.
They are bullion coins and are worth only what the metals they are composed of are worth.