492.75
More than 300 million 1971 quarters were produced and any coin pulled from circulation has only face value.
Sounds like it's counterfeit; therefore, toss it.
Archie Manning, 1971 - 1982
Assuming this is a Mexican coin, you can probably find one in a dealer's "junk box" for a quarter.
25 cents
second quarter 1971
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The coin is not silver and just face value.
The answer will depend on quarter of WHAT!
A proof what? Cent, nickel, dime, quarter, half dollar, or dollar? I'm hoping to get $8 or $9 for a whole set at an auction this weekend.
If the coin is an Mint Error it needs to be seen to determine what type of error and it's value if any, so take it to a coin dealer for an assessment.