The Jolteon (7 / 113) card can be found in the Delta Species set.
Recently sold 7 times and based on those sales is worth around £49.77.
Currently, there is 1 open listing for this card on ebay.
This card sells in the range of £24.70 to £74.84, making it highly volatile.
This Rare Holo card was illustrated by Kouki Saitou.