Pull any bill out of your wallet. See the dark green numbers on the top-left and top-right corners? Those are serial numbers, and some are more rare than others. If you happen to have paper money with ...

While most $2 bills are worth face value, some of the less-used currency could be worth significantly more. Depending on the year and how the paper note was circulated, some $2 bills are now worth ...

Currency is a medium of exchange for goods and services. In industrialized nations, currency primarily consists of bank notes and government-issued paper money and coins. In less-developed societies, ...