text: dennis eckersley card. any estimated prices? i have a dennis eckersley (retired baseball player & hall of famer) card. it is a 2004 fleer sweet sigs, numbered 12/30. meanwhile, on the front, there is a part of a baseball on it, and it is autographed in light blue pen by eckersley. does anyone know about what it would worth? thanks! you should buy a beckett's price guide.  http://www.beckett.com/default.osi