The Espeon GX (SV60) card can be found in the Hidden Fates set.
Recently sold 7 times and based on those sales is worth around £35.00.
Currently, there are 24 open listings for this card on ebay.
This card sells in the range of £27.51 to £42.49, making it quite stable.
This Rare Shiny GX card was illustrated by 5ban Graphics.
The fact that it is a GX card makes it one of the more valuable cards.