Look on the back of the coin to see if there's a small mint mark letter below the eagle. It may be blank or there may be a CC or S.
Numismedia lists the following approximate retail values as of 09/2010:
No mint mark (Philadelphia):
Very worn condition - $28
Moderately worn - $51
Slightly worn - $72
Almost no wear - $307
Uncirculated - $570 to $6,310 depending on quality
"CC" mint mark (Carson City):
Very worn - $127
Moderately worn - $360
Slightly worn - $930
Almost no wear - $4,420
Uncirculated - $13,130 to $48,130
"S" mint mark (San Francisco):
Very worn - $36
Moderately worn - $75
Slightly worn - $115
Almost no wear - $496
Uncirculated - $1,080 to $1,781
DISCLAIMER: The values quoted are the best available, but may vary due to market fluctuations. Also the wholesale (buying) price of a coin will be less than the selling (retail) price. A reputable coin dealer will be able to give a more accurate valuation based on inspection of the coin.
50$
Value is for the silver about $2.50
The US didn't strike any half dollars in 1804.
50 cents.
50 cents.
50$
A US half dollar with a date of 1979 is a Kennedy half dollar not a liberty half dollar. The coin has no silver and is only face value.
It has a metal value of about $10.
Value is for the silver about $2.50
About $4-5
50 cents.
a half dollar
The US didn't strike any half dollars in 1804.
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.
A US half dollar with a date of 1983 is a Kennedy half dollar not a liberty half dollar.The coin has no silver and most are only face value.
The value of a US 1964 half dollar in circulated condition is around $10. in uncirculated condition they are worth around $16.
50 cents.