Published by on July 15, 2026 The ICG Roman Empire Billon Nummus Coin is a genuine ancient Imperial-era coin from the Roman Empire, dating back to 27 BC. This coin has been professionally graded by Independent Coin Graders (ICG) and comes with a certification from the organization. The coin is made of billon, a type of metal alloy commonly used during the ancient era, making it a valuable and historical piece for collectors interested in Roman numismatics.