Pokemon 2014 Aegislash EX Holofoil Card. It was only available inside the XY#4 Phantom Gate Dialga Aegislash EX Theme Deck that was released only in Japan in September, 2014. It was not available in any other set or booster packs.
Card #: 005/018
Condition: Mint condition. Never been played with. No noticeable creases, dents, scratches or whitening on edges of card.