There was a record boom in the sales of baseball cards in the late 1980’s and throughout the 1990’s. Baseball cards are exquisitely designed trading cards which feature one baseball player or even a group of prominent baseball players. Baseball have been circulated among baseball aficionados since the late 1800’s. A typical baseball card will feature the image of a prominent baseball player on the front of the card, while the player’s biographical information and statistics are displayed on the reverse side of the card. The most expensive baseball card in the world was sold for a whopping amount of two million dollars. To know more about the most expensive baseball cards in the world, visit the link that is mentioned below.