The Rocket's Hitmonchan ex (98 / 109) card can be found in the Team Rocket Returns set.
Recently sold 1 times and based on those sales is worth around £102.00.
Currently, there is 1 open listing for this card on ebay.
This card sells in the range of £102.00 to £102.00, making it very stable.
This Rare Holo Ex card was illustrated by Mitsuhiro Arita.
The fact that it is a EX card makes it one of the more valuable cards.