The Dark Charizard (4 / 82) card can be found in the Team Rocket Unlimited set.
Recently sold 12 times and based on those sales is worth around £51.00.
Currently, there are 28 open listings for this card on ebay.
This card sells in the range of £33.67 to £68.33, making it quite volatile.
This Rare Holo card was illustrated by Ken Sugimori.