Origin Forme Dialga V is card #SWSH255 of 307 in SWSH Black Star Promos (2019), a Promo illustrated by 5ban Graphics. At about $3.62 it is the #146 most valuable card in the set. It is one of 48 Dialga cards printed so far.
2007Diamond & Pearl
2009Platinum
2011Call of Legends
2014Phantom Forces
2019Cosmic Eclipse
2020Vivid Voltage
2022Astral Radiance
2024Surging Sparks

















See the full SWSH Black Star Promos card list
An ungraded Origin Forme Dialga V from SWSH Black Star Promos sells for about $3.62. A PSA 10 is worth more, roughly $18.10 by our estimate, and a PSA 9 around $8.33.
It is a Promo.
5ban Graphics drew the art for this card.