The Charizard VMAX (20 / 189) card can be found in the Darkness Ablaze set.
Recently sold 7 times and based on those sales is worth around £26.95.
Currently, there are 19 open listings for this card on ebay.
This card sells in the range of £22.46 to £31.44, making it stable.
This Rare Holo VMAX card was illustrated by aky CG Works.
The fact that it is a VMAX card makes it one of the more valuable cards.