The Dark Dragonair (31 / 109) card can be found in the Team Rocket Returns set.
Recently sold 3 times and based on those sales is worth around £28.13.
Currently, there are 8 open listings for this card on ebay.
This card sells in the range of £15.29 to £40.97, making it quite volatile.
This Uncommon card was illustrated by Emi Miwa.