Eevee-GX is card #SM175 of 248 in SM Black Star Promos (2017), a Promo illustrated by PLANETA Otani. At about $37.50 it is the #42 most valuable card in the set. It is one of 90 Eevee cards printed so far.
1999Jungle
2003Aquapolis
2008Majestic Dawn
2012Dark Explorers
2015Ancient Origins
2017Sun & Moon
2019Team Up
2022Astral Radiance

















See the full SM Black Star Promos card list
An ungraded Eevee-GX from SM Black Star Promos sells for about $37.50. A PSA 10 is worth more, roughly $188 by our estimate, and a PSA 9 around $86.25.
It is a Promo.
PLANETA Otani drew the art for this card.