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

There's something to be said for collecting old coins. Some people do it for the fun of it or to have a cool story to tell.

Before you head to the laundromat, you should look through the quarters you plan to spend. You may have a rare coin better ...

Explore the 1967 quarter error list, including DDO, DDR, off-center, wrong planchet, and rare silver errors, plus values and identification tips for collectors.

Explore the most valuable 1970 quarter errors, including overstrikes, doubled dies, off-center strikes, and wrong planchet coins. Learn how to identify each variety and see current value ranges for ...