If you found it in change and it has a P or D mint mark next to the bow in Washington's wig, none. All circulation-strike quarters dated 1965 and later are made of copper-nickel, not silver.
Some special "Prestige Proof" quarters were struck for collectors. These have an S mint mark and should be in special packages identifying them as Prestige coins. Values range from $5 to $20 depending on quality and which state is shown.
The 1964 Washington Quarter has .18084oz of pure silver.
It is 90% silver and 10% copper.
If you mean a American Silver Eagle dated 2000, it's one ounce of pure silver.
25 cents
The coin has no silver value. 1965 Washington quarters contain no silver, 1964 was the last year for 90% silver coins to be issued for general circulation.
The 1964 Washington Quarter has .18084oz of pure silver.
It is 90% silver and 10% copper.
$3.00
$50
If you mean a 1966 American quarter, then none.
Currently none.
$10
one quarter means 25% so 2,000 times .25 = 500 500 is one quarter of 2000
Pre-1965 silver quarters are 90% silver with a total weight of 6.25 grams, which is then 5.625 grams of silver per quarter.
The Actual Silver Weight (ASW) is .18084oz of pure silver.
The silver value is about 5-6 dollars.
The actual amount of pure silver is .18084 of an ounce.