And what about those 70s hairdos? Baseball card prices on popular baseball card singles, sets and unopened ... you're selling your cards they will also quote you the going baseball card price. ... Collectors who have been around th.e hobby for a while will remember Stadium Club as one of Topps' first attempts at an upscale brand, combining eye-catching photographs with fancier than normal stock. In those days when there were no modern printing techniques, a type of baseball card was made out of photos of baseball players or teams pasted on a small piece of square cardboard. Because I took care of them, I was able to get graded mint rookies with great value. Please notify the writer if you know of any other types, but whether you have a new series to report or not, write to this column if you are interested in baseball card collecting. The second suggestion works for children of different ages. There are two versions of the Michael Jordan cards that can be collected.