The Swampert ex (95 / 95) card can be found in the Team Magma Vs Team Aqua set.
Recently sold 8 times and based on those sales is worth around £24.99.
Currently, there are 3 open listings for this card on ebay.
This card sells in the range of £0.01 to £52.24, making it highly volatile.
This Rare Holo Ex card was illustrated by Hikaru Koike.
The fact that it is a EX card makes it one of the more valuable cards.