yugioh cards blue eyes toon dragon Blue-Eyes 995 worldwide and is individually numbered CoreTCG - Blue-Eyes Toon Dragon

Hold the card up to a bright light source

At that point, it was evident that The Pokmon Company was designing a game that was losing touch with evolution, one of its core mechanics since the game began in 1996

In 2001 and 2002, when cards for the VS deck were produced, the invitees to the Tropical Mega Battle included players who had won major Pokmon tournaments in Japan, the US, and Europe

Ryan Miller one of the co-designers and brand manager at Ravensburger has said that promo cards will not be mechanically unique

1 2 3 "Top 15 Most Rare and Expensive Pokmon Cards"

Note that I made the challenge pretty open-ended