Members of CONECA, the international error coin and variety club, will be on hand at upcoming coin shows to provide free assessment of coins for collectors who have questions.

Like the leaning tower of Pisa, error coins demonstrate the alluring appeal of human error. Error coins account for some of the most rare and valuable collectable ...

They are difficult to find. They have unique marks due to errors or limited editions. They have some kind of historical significance. They are prized by collectors. Determining whether to spend rare ...

As with just about any asset, a coin’s value is determined by its market demand. This means that coins in short supply often see higher demand — and higher values. With coins, supplies are limited ...

There's a marketplace for coin enthusiasts to buy and sell rare coins, where you could make some decent money if you find one ...

Whitman Expos Winter Coin Expo has something for everyone, from the rarest coins around to commonplace collectibles for ...

Some coins can be more exciting than others. That's because certain rare coins hold important value, from the one penny coin named the rarest in the UK to a super valuable piece worth thousands. That ...