The Duraludon VMAX (220 / 203) card can be found in the Evolving Skies set.
Recently sold 6 times and based on those sales is worth around £22.49.
Currently, there are 8 open listings for this card on ebay.
This card sells in the range of £19.04 to £25.94, making it stable.
This is a Rare Rainbow card.
The fact that it is a VMAX card makes it one of the more valuable cards.