It depends on what the error is. Please post a new question with more details
It is just a quarter.
About $300.00 at this time
State quarter lamination errors retail for about $10.
CoinTrackers has estimated the 1974 D Washington Quarter value at an average of 25 cents
How much is a 1911 quarter worth
How much is 1768 quarter worth
If the coin is a Washington quarter, it may be a rotated-die error. Take it to a coin dealer to be sure.
The value of a 1971 quarter with an error depends on the type and rarity of the error. Common errors can be worth $50–$200, while rare ones may fetch thousands.
how much is a canadian mint quarter worth
Washington is on the quarter, and Kennedy is on the half. Whichever coin you mean, it's worth face value.
If it is still a quarter in 2020 it would be worth a quarter of a dollar.
A quarter is worth 25 cents.