The Rayquaza (16 / 110) card can be found in the Holon Phantoms set.
Recently sold 25 times and based on those sales is worth around £26.60.
Currently, there are 17 open listings for this card on ebay.
This card sells in the range of £11.04 to £42.16, making it quite volatile.
This Rare Holo card was illustrated by Mitsuhiro Arita.