When it comes to coin collecting, it's hard to beat the appeal of the United States Mint proof set. These sets of uncirculated proof coins usually include every denomination made that year or a set of ...

While most coins from the 1990s are still worth face value, certain rare examples from that decade have become numismatic goldmines. The key lies in knowing what to look for among your old pocket ...

The U.S. Mint Proof Sets are a foundation of any true coin collector's collection--in fact, proof sets have always been a popular part of coin collecting. Some collectors have even gotten a set every ...

Stumbling upon an old collection of proof sets in your attic can feel like finding buried treasure. But what should you do with them? Should you keep them, sell them, or break them apart to sell ...

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 ...