1. The heaviest Russian coin weighed over 11 kilograms.
2. Since the reign of Ivan the Terrible, a penny originates.
3. Coins were minted from a special alloy of silver and gold in the 7th century BC.
4. Dried fish, cocoa beans or tea were once money.
5. In 1999, the heaviest silver coin was issued in Russia.
6. With the image of dinosaurs, a coin was issued in Canada.
7. For more than 100 years, 10 kopeck coins have not changed their size.
8. Each standard bill weighs approximately one gram.
9. To combat counterfeiters, the US Secret Service was originally created.
10. Approximately 92% of people keep their money at home.
