The Pikachu (57 / 108) card can be found in the Power Keepers set.
Recently sold 2 times and based on those sales is worth around £16.30.
Currently, there are 6 open listings for this card on ebay.
This card sells in the range of £12.39 to £20.21, making it stable.
This Common card was illustrated by Kagemaru Himeno.