The Flareon (5 / 113) card can be found in the Delta Species set.
Recently sold 10 times and based on those sales is worth around £27.84.
Currently, there are 7 open listings for this card on ebay.
This card sells in the range of £20.40 to £35.28, making it quite stable.
This Rare Holo card was illustrated by Kouki Saitou.