Pokemon Center 2019 “Mewtwo Strikes Back: Evolution” Movie Special Pack Mewtwo & Mew GX. It was only sold at the Pokemon Centers and a few licensed Pokemon retailers in Japan, in June, 2019, for a very limited time and in very limited quantity.
The set includes:
1x Mewtwo & Mew GX Jumbo Size Promo Card
1x Pikachu Promo Card #367/SM-P
3x SM11a Remix Bout Booster Packs
3x SM11 Miracle Twins Booster Packs
This Mewtwo & Mew GX card is JUMBO SIZE. It is much bigger than a normal card. It measures 8″ x 5.6″ (20.5cm x 14.5cm). See “Additional Images” for a picture of the card comparing the size to a standard size Pokemon card (small Pokemon card not included).