Coins have been integral part of money transaction for centuries now. Coins such as gold, silver, and platinum have been played a very prominent part in money transactions during medieval time. While coin collecting as a hobby can be very interesting, there are many excellent reasons why you might want to collect coins. Like they tell unique stories from their travel or they buy custom coins to create their own collectible for their children or greatchildren investment, as well as an investment for business interests. It has been a popular hobby since coins first came into circulation.