I saw Mr. Goldin on Fox Business (Stuart Varney morning show September 12, 2016). Mr. Varney asked Mr. Goldin how BB cards have fared as an investment recently. Mr. Goldin said that "in the past three years," baseball cards have increased in value "over 2000%."
Video at:
http://video.foxbusiness.com/v/51215...#sp=show-clips
Fun segment otherwise. I'll leave it at that.
EDITED FOR PRECISION.
Scot Reader