The Mewtwo Star (103 / 110) card can be found in the Holon Phantoms set.
Recently sold 2 times and based on those sales is worth around £236.66.
Currently, there are 6 open listings for this card on ebay.
This card sells in the range of £223.39 to £249.93, making it quite volatile.
This Rare Holo Star card was illustrated by Masakazu Fukuda.