The Rhydon (H27) card can be found in the Skyridge set.
Recently sold 3 times and based on those sales is worth around £95.19.
Currently, there is 1 open listing for this card on ebay.
This card sells in the range of £49.23 to £141.15, making it highly volatile.
This Rare Holo card was illustrated by Mitsuhiro Arita.