The Pikachu VMAX (188 / 185) card can be found in the Vivid Voltage set.
Recently sold 23 times and based on those sales is worth around £97.30.
Currently, there are 6 open listings for this card on ebay.
This card sells in the range of £57.02 to £137.58, making it highly volatile.
This Rare Rainbow card was illustrated by aky CG Works.
The fact that it is a VMAX card makes it one of the more valuable cards.