Pokemon 2017 SM#5 Ultra Sun Dialga GX holofoil card. It was only available inside random booster packs of the SM#5 Ultra Sun series that was released in Japan, in December, 2017.
Card #: 045/066
Type: Double Rare/Holofoil
Condition: Mint condition. Never been played with. No noticeable creases, dents, scratches or whitening on edges of card.