While not every proof set is worth a mint (forgive the pun), there are a few that fetch thousands at auction. If you know ...

They are not proof sets, and they are not uncirculated sets, popularly called mint sets, but Special Mint Sets are special in their own way, and are worth a second look. They are not proof sets, and ...

Holiday demand for annual sets produced by the U.S. Mint seems to be kicking in this week. Sales of the clad 2011 proof set rose by 16,545 to reach 933,011. The silver proof set moved ahead by 5,789 ...

The limited edition coins have been released by the Royal Australian Mint over the years for collectors ... Included in a full set of limited edition coins, the collection can now be worth as much as ...