Pokemon 2016 XY Break CP#4 Premium Champion Pack Mewtwo EX holofoil card. It was only available inside random booster packs of the 2016 XY Break CP#4 Premium Champion Pack series that was released in April, 2016. Only sold in Japan for a very limited time.
Card #: 050/131
Condition: Mint condition. Never been played with. No noticeable creases, dents, scratches or whitening on edges of card.