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 ...

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 ...

Proof coins often feature a more detailed strike than standard coins for circulation, and the deep cameo 1951 Franklin half-dollar proof is no exception. The profile of the founding father is very ...