Though $2 bills are still in circulation, many older or rare editions have become highly collectible, often fetching far more than face value. Their value depends on factors like rarity, condition, ...

At the top is the 1792 Birch Cent, a prototype coin minted before the official penny series began. With only a handful known to exist, it sold for $2.58 million in 2015, making it the most valuable ...

Some beautiful and historic American coins auctioned for over $10 million in total last week. A Saint-Gaudens double eagle ...