The Deoxys VMAX (GG45) card can be found in the Crown Zenith Galarian Gallery set.
Recently sold 44 times and based on those sales is worth around £12.00.
Currently, there are 13 open listings for this card on ebay.
This card sells in the range of £9.65 to £14.35, making it very stable.
This Trainer Gallery Rare Holo V card was illustrated by Akira Komayama.
The fact that it is a VMAX card makes it one of the more valuable cards.