First you have to determine whether the coin is silver or just silver in color.
If the coin has no mint mark or a D next to the tail of Washington's wig, it's made of copper-nickel and worth 25 cents. There were several billion minted in honor of the Bicentennial. Most were "collected" (or at least saved) so there are millions of uncirculated ones available for 50 cents to a dollar.
Those with an S mint mark were made as both copper-nickel and 40% silver sandwich coins. The core of the latter coins is 79.1% copper and 20.9% silver. The outer layers are 80% silver and 20% copper. All S-mint quarters were sold in collectors' sets and not released for circulation. Prices as of 10/2009 were as follows:
Uncirculated, 40% silver : $2.25 to $40.
Proof, copper-nickel : $2.50-$10.
Proof, 40% silver : $2.30-$13.
A 1776-1976 no proof quarter dollar worth in 2012
A US quarter has a face value of 25 cents.
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.
Bermuda's currency is linked to the US dollar. The coins are the same size and value as US coins and exchange one-for-one, so a Bermudan quarter is worth the same as a US quarter.
Unless it's Proof, it's just a quarter.
roughly 90 us dollars.
No US quarters were made in 1810.
No US quarters were minted in 1817.
About 25 US cents.
The value is currently around 4 cents.
A 1972 Washington quarter is just a quarter, many are still in circulation.
The date is 1776-1976 and it's only a quarter.
how much is this 1791-2001 quarter worth and how can sell it
Face value unless in original mint packaging.
There were no quarters issued in 1808.
A 1970 US quarter has no silver, so it has no silver value.
Please post a new, separate question. JFK is on the US half dollar. George Washington is on the US quarter.
This is a very common coin. it is only worth face value.
The US never struck a half quarter. A half quarter would be worth 12.5 cents.
Please check your quarter again and post a new, separate question. The first US quarters were minted in 1796. If you have a dual-dated 1776-1976 quarter it's one of the billions minted for the US Bicentennial, and is worth only face value.