This set of 92 cards was broken down into two series. Series 1 consists of cards 1-46 and there are two variations of each card in the first series. One variation has black and red printing on the backs and the other has blue and red printing on the backs. Also card #43 can be found with a blank back. Series 2 consists of cards 47-92 and have the black and red printing. Cards can also be found with the "Planet Ltd." tab uncut.