Check the back of the coin near the 8:00 position for the mint mark. There will be a D or S; Philadelphia didn't mint Walking Liberty halves in 1929.
Numismedia lists the following approximate retail values as of 02/2010:
"D" mint mark (Denver):
Very worn condition - $9
Moderately worn - $16
Slightly worn - $30
Almost no wear - $227
Uncirculated - $420 to $5,270 depending on quality
"S" mint mark (San Francisco):
Very worn condition - $8
Moderately worn - $14
Slightly worn - $31
Almost no wear - $253
Uncirculated - $480 to $31,880
There were no series letters on 1929 bills, all of which were issued as National Currency bills. Please see the question "What is the value of a 1929 US 5 dollar bill?" for more information.
50$
Value is for the silver about $2.50
The US didn't strike any half dollars in 1804.
There were no series letters on any 1929 US bills. You may be referring instead to the Federal Reserve District letter; "G" indicates your bill was distributed by the Chicago district. There's more information at the question "What is the value of a 1929 US 100 dollar Federal Reserve Note?"
Look at the coin again, no US Quarter Eagles were struck after 1929.
There were no series letters on 1929 bills, all of which were issued as National Currency bills. Please see the question "What is the value of a 1929 US 5 dollar bill?" for more information.
50$
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.
There were no series letters on any 1929 US bills. You may be referring instead to the Federal Reserve District letter; "G" indicates your bill was distributed by the Chicago district. There's more information at the question "What is the value of a 1929 US 100 dollar Federal Reserve Note?"