You need to know the coins' conditions and mint marks. On the older Walking Liberty coins the mint mark will be near the edge on the back at roughly the 8:00 position. On the Franklin types, the mint mark will be above the bell.
No mint mark = Philadelphia, D = Denver, S = San Francisco.
Then look at sites such as the ones listed below for a guide to retail values
BTW, "a 50 cent half dollar" is strange, something like saying "a 16-ounce pound", so your question has been reworded.
5 dollars.
7-19-11>>> 1960 & 1960-D Franklin half dollars are not rare or even scarce, if the coin has any wear at all value is just for the silver about $14.00.
There is no such thing as a U.S. silver penny.
It's currently worth about $10.
Mine is worth about $0.90, and so is yours.
It's worth 448 dollars if the price of silver is 14 dollar and ounce.
5 dollars.
7-19-11>>> 1960 & 1960-D Franklin half dollars are not rare or even scarce, if the coin has any wear at all value is just for the silver about $14.00.
There is no such thing as a U.S. silver penny.
1960 Franklin-Liberty Bell half dollar; As of 09/2008, about $7 in average circulated condition; proof coins are worth $8 to $30 depending on how well-struck they are.The price depends on how worn it is and how much silver is selling for. At $18/oz, a half dollar dated 1960 contains about $7 worth of silver. Note that halves from 1965 to 1969 contain only about $3 worth of silver at that price, and halves from 1971 to today have no silver so they're only worth 50¢
It's currently worth about $10.
About 5 dollars
Mine is worth about $0.90, and so is yours.
It is a common date and worth about $5.25 in silver content.
It's worth about $12.00 just for the silver.
The 1960-1964 quarters are worth about $2.50 each for the silver 1965-1969 are likely just quarters
All Franklin half dollars are 90% silver, 10% copper.