Wish I had kept mine even though they aren't worth much In 1999, Burger King released a set of six limited edition 23 karat gold plated Pokmon cards to promote the theatrical release of $99 pack XY era grail. , Mega Gengar hype is back with Ascended Heroes, but this one throws it all the way back to the XY era. , This promo was originally given out in Japan during the The Most Expensive FireRed & LeafGreen Pokemon TCG Cards 23k Burger King Gold Plated Pokemon Card 1999 Nintendo COA Mewtwo