The dime coin has been in circulation since 1796. Dimes made before 1964 have a base value of the current price of silver. The most valuable dimes are measured by such standards as condition, rarity and date of the coins, and can be worth in excess of $2 million.
When you make the decision to invest in precious metals you ought to try and buy gold coins. Gold bullion comes in all forms but it may be easier for you to buy gold in the form of coins instead of bars when you are starting out. It is better to check gold prices first before you buy gold coins.