To get started you will need to first approach a coin dealer who can guide to essentially the best coins that you can easily afford. Always remember to purchase a graded Rare Coin than an ungraded one. Even if you are an expert in the Rare Coin field yet you could be easily be cheated at your nose.
There are lots of advantages of getting a coin graded. Whenever a rare coin gets graded it is immediately placed inside a permanent plastic display case. This case is transparent for the spectators to view the coin without damaging it. Also, in the case you will find the Rare Coin along with the year the coin left the mint, the official name of the rare coin and grade on a label.
As said before, always getting the rare coin professionally graded adds a lot of value to the rare coin and it also makes it easier to sell the coin at a later date. The difference in grades for the rare coin can change the value of the rare coin significantly. When the rare coin is graded, there will be no question in your(seller) or also on the buyers head.