15 Oldest Coins Still in Circulation ... The United States Dollar is widely recognized and used around the world. The Euro, despite being newer, has quickly become one of the most important ...

Currency has existed in coin form since the days of the ancients -- but not all old coins are on display ... or within its own 26 cantons, or member states. After spending much of its existence ...

Last year was a lucrative one for sellers of rare coins, as one auction house sold five specimens for more than $1 million ...