Pokemon 2017 SM#3 Did You See The Fighting Rainbow Alolan Muk GX holofoil card. It was only available inside random booster packs of the SM#3 Did You See The Fighting Rainbow series that was released in Japan, in June, 2017.
Card #: 033/051
Type: Double Rare/Holofoil
Condition: Mint condition. Never been played with. No noticeable creases, dents, scratches or whitening on edges of card.