The actual amount of pure silver is .18084 of an ounce.
The 1964 Washington Quarter has .18084oz of pure silver.
There is no such thing as a 1914 quarter.
It is 90% silver and 10% copper.
$3.00
$50
If you mean a 1966 American quarter, then none.
Currently none.
$10
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.
1964 was the last year for silver quarters.