The Gengar (94 / 102) card can be found in the Hs Triumphant set.
Recently sold 7 times and based on those sales is worth around £33.23.
Currently, there are 4 open listings for this card on ebay.
This card sells in the range of £28.76 to £37.70, making it stable.
This Rare Prime card was illustrated by Takashi Yamaguchi.