1948 is not a rare year for Washington quarters. In average condition its value is based on the amount of silver it contains, about 0.18 of a troy ounce.
Look on the back of the coin to see if there's a small mint mark letter below the bow in the wreath. It may be blank or there may be a D or S.
Numismedia lists the following approximate retail values as of 01/2013:
No mint mark (Philadelphia):
Very worn condition - $8.63
Moderately worn - $8.91
Slightly worn - $9.03
Almost no wear - $9.50
Uncirculated - $10.06 to $237.50 depending on quality
"D" mint mark (Denver):
Very worn - $8.63
Moderately worn - $8.91
Slightly worn - $9.03
Almost no wear - $9.50
Uncirculated - $10.06 to $600.00
"S" mint mark (San Francisco):
Very worn - $8.63
Moderately worn - $8.91
Slightly worn - $9.03
Almost no wear - $9.50
Uncirculated - $10.06 to $325.00
DISCLAIMER: The retail values quoted are the best available as of the date shown, but may vary due to market fluctuations. Also the wholesale (buying) price of a coin will be less than the selling (retail) price. A reputable coin dealer will be able to give a more accurate valuation based on inspection of the coin.
2 mil
The first US quarter was struck in 1796.
The value of a 1948 S US silver quarter typically ranges from $5 to $10 in circulated condition, depending on its wear and overall condition. Uncirculated or higher-grade examples can be worth significantly more, sometimes exceeding $20 or more. The exact value can vary based on factors such as demand and market conditions, so it's advisable to consult a coin dealer or collector for a precise appraisal.
No US quarters were struck in 1922. The US did not make ANY quarters dated 1922.
No US quarters were made in 1810.
Around $7.00
2 mil
A US quarter has a face value of 25 cents.
The first US quarter was struck in 1796.
The value of a 1948 S US silver quarter typically ranges from $5 to $10 in circulated condition, depending on its wear and overall condition. Uncirculated or higher-grade examples can be worth significantly more, sometimes exceeding $20 or more. The exact value can vary based on factors such as demand and market conditions, so it's advisable to consult a coin dealer or collector for a precise appraisal.
Value is $10.00 to $12.50 in MS-60 to MS-63.
No US quarters were struck in 1922. The US did not make ANY quarters dated 1922.
Unless it's Proof, it's just a quarter.
No US quarters were made in 1810.
No US quarters were minted in 1817.
13.24.7
About $4.25.