Look at the bottom of the pedestal on the left side of Miss Liberty's foot ("left" as you see the coin; i.e. her right foot). There may be no letter, or a small D or S. The M on the other side appears on ALL standing Liberty quarters and is the designer's monogram.
Numismedia lists the following approximate retail values as of 12/2012:
No mint mark:
Very worn condition - $9
Moderately worn-$13
Slightly worn- $32
Almost no wear - $76
Uncirculated - $130-2700 depending on quality
"D" mint mark:
Very worn condition - $5
Moderately worn - $13
Slightly worn - $37
Almost no wear - $79
Uncirculated - $145-8000
"S" mint mark:
Very worn condition - $9
Moderately worn - $13
Slightly worn - $32
Almost no wear - $79
Uncirculated - $140-2000
A 1765 US quarter does not exist.
The first US quarter was struck in 1796.
No US quarters were struck in 1922. The US did not make ANY quarters dated 1922.
The coin is a 2001 Vermont State Quarter, it's 25 cents.
No US quarters were made in 1810.
Look at the coin again, no US Quarter Eagles were struck after 1929.
A US quarter has a face value of 25 cents.
In average condition value is $7.00-$9.00 each.
A 1765 US quarter does not exist.
The first US quarter was struck in 1796.
No US quarters were struck in 1922. The US did not make ANY quarters dated 1922.
around 400 to 5000 dolaars
The coin is a 2001 Vermont State Quarter, it's 25 cents.
No US quarters were made in 1810.
No US quarters were minted in 1817.
Unless it's Proof, it's just a quarter.
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.