The 1st card back version with UPC: 6 53569 56198 9 showed up at Walmart briefly, then Hasbro placed a UPC sticker with a new 2nd UPC: 6 53569 72391 2 on the back of the card. Hasbro then removed the sticker and then started to print the new 2nd UPC: 6 53569 72391 2 on the card back.
