Zekrom-GX is card #SM138 of 248 in SM Black Star Promos (2017), a Promo illustrated by 5ban Graphics. At about $25.77 it is the #59 most valuable card in the set. It is one of 28 Zekrom cards printed so far.
2011BW Black Star Promos
2013Legendary Treasures
2015Roaring Skies
2017Shining Legends
2018Dragon Majesty
2020Vivid Voltage
2022Brilliant Stars Trainer Gallery
2023Paradox Rift

















See the full SM Black Star Promos card list
An ungraded Zekrom-GX from SM Black Star Promos sells for about $25.77. A PSA 10 is worth more, roughly $129 by our estimate, and a PSA 9 around $59.27.
It is a Promo.
5ban Graphics drew the art for this card.