The net weight of pure silver is .18084oz for all silver Washington quarters
The value is only for the silver about $3.25
The silver value is about 5-6 dollars.
Around $6.
1964 was the last year for silver quarters.
7-29-11>>> 1964 is the most common date for a silver Washington quarter. Most are valued for the silver only, at $6.00 as of today.
The value depends on the silver price, today it is worth around $4.94, but will change as silver prices change.
Assuming it's circulated and has no mintmark. Retail values run from $8.50 to $9.75 depending on the grade. But most are valued for the silver, about $5.00. A 1948 Washington quarter is very common.
About $3 for its silver content. A dealer will pay less.
The 1964 Washington Quarter has .18084oz of pure silver.
Value is $10.00 to $12.50 in MS-60 to MS-63.
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.