This is one of Pokemon's first ever print errors. With the first print run of Japanese cards, instead of an extra stamp, they were missing a rarity symbol. Today, these cards are known How Rare Are Japanese Pokmon Cards? Danireon Danireon Cards & Games How to Open Pokmon Cards: Pack Opening Trick for Each Set Open or keep it sealed? Japanese booster packs : r pokemoncardcollectors Japanese Pokemon card classic 3 deck set sealed japanmaster