The Haunter (29 / 102) card can be found in the Base 1st Edition set.
Recently sold 1 times and based on those sales is worth around £18.17.
Currently, there are 13 open listings for this card on ebay.
This card sells in the range of £18.17 to £18.17, making it very stable.
This Uncommon card was illustrated by Keiji Kinebuchi.