What does single signed mean?

Answer 1

Single Signed Baseball - This term is used for baseballs that have been autographed by only one player.

Multi Signed Baseball - More than one or a group of signatures on am item such as a Baseball. An autographed baseball with only a few signatures of players from the same team but not enough to be considered a team signed baseball. Team Signed Baseball - or Team Baseball. A baseball autographed by the majority of the members of a particular team. For more Baseball Collectible Terms see Related Links below.