Some quarters that have been circulating for more than 20 years are still worth only face value, but a handful of rare dates ...

Most state quarters are still worth 25¢. But a short list of error varieties and special issues can be worth real money—and ...

Coin enthusiasts will recall the much-ballyhooed rollout of a series of state quarters produced by the U.S. Mint during a 10-year period early this century, back when consumers were still inclined to ...