The Muk (H17) card can be found in the Aquapolis set.
Recently sold 2 times and based on those sales is worth around £44.60.
Currently, there are 7 open listings for this card on ebay.
This card sells in the range of £23.62 to £65.58, making it highly volatile.
This Rare Holo card was illustrated by Hajime Kusajima.