The Latias & Latios GX (190 / 181) card can be found in the Team Up set.
Recently sold 3 times and based on those sales is worth around £44.71.
Currently, there are 11 open listings for this card on ebay.
This card sells in the range of £21.88 to £67.54, making it highly volatile.
This Rare Rainbow card was illustrated by 5ban Graphics.
The fact that it is a GX card makes it one of the more valuable cards.