The Pikachu (78 / 110) card can be found in the Holon Phantoms set.
Recently sold 4 times and based on those sales is worth around £34.88.
Currently, there are 3 open listings for this card on ebay.
This card sells in the range of £28.01 to £41.75, making it quite stable.
This Common card was illustrated by Kouki Saitou.