The error coin market has exploded in ways that would make even seasoned collectors' heads spin. What started as casual treasure hunting through pocket change has evolved into something that resembles ...

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

Minting coins isn't exactly an exact science. Even though most coins are perfect and uniform, small mistakes can result in error coins that are super valuable and ...

Turns out these common minting mistakes from 1979 are worth up to $5,000 - and you might have one sitting in your change jar ...

The 1980 penny error coins represent some of the most exciting finds for collectors searching through pocket change. With ...

Discover rare 1990 penny errors, their values, and how apps like CoinKnow help identify valuable coins instantly.

Coins that have mistakes or unusual features can sometimes turn into highly valuable treasures. Over the years, I've come across stories of collectors who discovered ...

Only a handful of these bronze pennies exist—fewer than 20 are believed to have survived. One example from the Denver mint even sold for $1.7 million, showing how valuable such rarity can be. Holding ...

— Melrose resident Joe Andrews is longtime coin appraiser and an expert in the field of numismatics. His “Coin Corner” is a recurring column in the Free Press and WickedLocalMelrose.com. He has ...

If you want to understand why some mistake coins become worth millions, this article will explore six valuable examples that made headlines in the collecting world.

The first coin to feature a woman, the Susan B. Anthony dollar can also be quite valuable. It's worth taking a quick look through your dollar coins to see if you have one of these beauties. While not ...