There are 3 different varieties of 1823 bust-type half dollar. You'll need to look carefully at the "3" in the date.
Numismedia lists the following approximate retail values as of 04/2010:
Normal "3":
Very worn condition - $61
Moderately worn - $84
Slightly worn - $115
Almost no wear - $586
Uncirculated - $1,140 to $36,400 depending on quality
Broken "3":
Very worn condition - $95
Moderately worn - $184
Slightly worn - $348
Almost no wear - $1,296
Uncirculated - $2,310 to $9,810
Patched "3":
Very worn condition - $86
Moderately worn - $155
Slightly worn - $330
Almost no wear - $1,074
Uncirculated - $2,100 to $39,380
No US Dollar coins dated 1823 or any Silver Lady Head coins?
50$
Value is for the silver about $2.50
Please check your coin again. It's either not a dollar, not a Morgan-design dollar, or not from 1823. Morgan dollars were minted from 1878 to 1904 and in 1921. No US silver dollars were made for circulation from 1804 to 1835 inclusive.
The US didn't strike any half dollars in 1804.
No US Dollar coins dated 1823 or any Silver Lady Head coins?
50$
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.
Please check your coin again. It's either not a dollar, not a Morgan-design dollar, or not from 1823. Morgan dollars were minted from 1878 to 1904 and in 1921. No US silver dollars were made for circulation from 1804 to 1835 inclusive.
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.