Any one know about these
09 UD Ken Griffey Jr. #855 sp's
Why do they keep going up in value?
And what is the true defination for sp,I know it means short print.But are sp's rare or just cards with something missing on the backs or fronts?
I wonder how manny were produced?
I am a little new to collecting but if some one knows would be helpfull
09 UD Ken Griffey Jr. #855 sp's
Why do they keep going up in value?
And what is the true defination for sp,I know it means short print.But are sp's rare or just cards with something missing on the backs or fronts?
I wonder how manny were produced?
I am a little new to collecting but if some one knows would be helpfull