The Pikachu (241 / 236) card can be found in the Cosmic Eclipse set.
Recently sold 27 times and based on those sales is worth around £31.00.
Currently, there are 46 open listings for this card on ebay.
This card sells in the range of £1.76 to £60.24, making it highly volatile.
This Rare Secret card was illustrated by Hitoshi Ariga.