The Mew VMAX (269 / 264) card can be found in the Fusion Strike set.
Recently sold 29 times and based on those sales is worth around £70.00.
Currently, there are 7 open listings for this card on ebay.
This card sells in the range of £51.09 to £88.91, making it quite volatile.
This Rare Rainbow card was illustrated by AKIRA EGAWA.
The fact that it is a VMAX card makes it one of the more valuable cards.