Pro Set trading cards product, which could make and issue cards very quickly. For its first football card set in 1989, Pro Set released its cards in three series. The 1989 rookies were found primarily in the second series. Key rookies in the set included Troy Aikman, Barry Sanders, Derrick Thomas, Jeff Lageman and Deion Sanders. The 100 card Series II set was sold in packs, but the packs averaged 11 Series I cards and 4 Series II cards per pack. These cards not only featured first round picks but featured later round picks. These cards were labelled as Pro Set Prospects. At its
Harry Potter Trading Card Game was popular among many age ranges and several gaming leagues were formed. After releasing the last expansion set in 2003, Wizards of the Coast decided not to continue making "HPTCG" cards, though no explanation was given to the public for this decision. Each card has its own specific value, the most valuable being "rare" and the least being "common". The value of a card is shown by a symbol at the bottom right of the card, followed by the expansion set symbol and set number. A circle means that the card is common, and therefore not very valuable; a diamond