The Hatterene VMAX (GG47) card can be found in the Crown Zenith Galarian Gallery set.
Recently sold 7 times and based on those sales is worth around £6.09.
Currently, there are 22 open listings for this card on ebay.
This card sells in the range of £5.36 to £6.82, making it very stable.
This Trainer Gallery Rare Holo V card was illustrated by sui.
The fact that it is a VMAX card makes it one of the more valuable cards.