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

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

You might not think twice about the loose change rattling around in your pocket, but a handful of quarters from recent ...

Explore the most valuable 1970 quarter errors, including overstrikes, doubled dies, off-center strikes, and wrong planchet ...

Amid the debate about the future of the penny, you may be wondering how much some of the coins you have around could fetch. After all, it could be a way to make extra money on the side. Here's a look ...