The Charizard EX (100 / 106) card can be found in the Flashfire set.
Recently sold 9 times and based on those sales is worth around £47.00.
Currently, there are 20 open listings for this card on ebay.
This card sells in the range of £22.69 to £71.31, making it highly volatile.
This Rare Ultra card was illustrated by Ryo Ueda.
The fact that it is a EX card makes it one of the more valuable cards.