Personally, I think the best (albeit not perfect)definition of a baseball card is one that Rob Lifson came up with: a baseball card is an image of a ballplayer/ballplayers on a collectible card available to the general public, intended to advertise and promote the sale of a product other than itself. Of course there are other definitions, many less restrictive. However, I think Rob's was the traditional definition. Under this definition, postcards and exhibits are not baseball cards. That doesn't mean that they are not great collectibles, just not (to me) baseball cards.
|