This threepence coin made prior to the American Revolution sold for a seven-figure sum, after being discovered hidden in some furniture.

With coins, supplies are limited either because they are very old, were minted in very limited supplies, or contain errors or other distinctive features that set them apart. Errors are a common ...

The earliest of the American Arts gold medals were comprised of gold with some copper, while the later medals are gold mixed with silver alloy. Why don’t the gold and silver medals trade for a higher ...