The Raichu (27 / 144) card can be found in the Skyridge set.
Recently sold 4 times and based on those sales is worth around £10.08.
Currently, there are 6 open listings for this card on ebay.
This card sells in the range of £4.09 to £16.07, making it quite stable.
This Rare card was illustrated by Yuka Morii.