When buying a specific coin, it is always wise to check out the seller, as well as find out if there is another dealer out there with the same coin that he or she is willing to sell cheaper. However when it comes to rare and hard to get coins it would be wise to have an appraiser with you or someone who knows how to spot a fake or counterfeit coin. When it comes to buying a coin from a dealer, you must find out what kind of reputation the dealer has. Whatever it is one of being honest and if you do not know any dealer then make sure you get advice from other collectors on where they get their merchandise.
If you get dealers from the internet then you must do research on the dealers to find out if they have done deals which are shoddy and if they have then you must not deal with them. When buying a coin you must be careful and watch out for those people who will be trying to get your collection.
Try the safest and most advisable means to get the coin. You must also check how much you can spend on a coin and if you have enough then you can try the coin auctions and coin shows. You also have the chance of buying a coin from flea markets where you can chance out and get lucky enough to get a rare coin. You must try to have different and have a collection of rare coins which will help you out when you want to grow in the coin collecting business.