Atsuko Nishida is the artist that created the most desirable card in Pokemon - Pikachu Illustrator
For EX Unseen Forces 2005 Pokemon set - Atsuko Nishida created a Vaporeon that is showcased in this reverse holo card.
This listing is for a Pokemon EX Unseen Forces Vaporeon REVERSE HOLO #19/115 CGC 10 Gem Mint slab.
Pop 8 and unlikely to be many more as there are very few remaining EX Unseen Forces booster packs in existence.