The Charizard (146 / 144) card can be found in the Skyridge set.
Recently sold 1 times and based on those sales is worth around £574.80.
Currently, there are 3 open listings for this card on ebay.
This card sells in the range of £574.80 to £574.80, making it very stable.
This Rare Secret card was illustrated by Kouki Saitou.