The Charizard (146 / 144) card can be found in the Skyridge set.
Recently sold 7 times and based on those sales is worth around £1,220.00.
Currently, there are 2 open listings for this card on ebay.
This card sells in the range of £80.68 to £2,359.32, making it highly volatile.
This Rare Secret card was illustrated by Kouki Saitou.