The Dark Raichu (83 / 82) card can be found in the Team Rocket 1St Edition set.
Recently sold 16 times and based on those sales is worth around £70.50.
Currently, there are 7 open listings for this card on ebay.
This card sells in the range of £21.06 to £119.94, making it highly volatile.
This Rare Secret card was illustrated by Mitsuhiro Arita.