The Kingdra (148 / 147) card can be found in the Aquapolis set.
Recently sold 6 times and based on those sales is worth around £91.74.
Currently, there are 6 open listings for this card on ebay.
This card sells in the range of £56.72 to £126.76, making it highly volatile.
This Rare Secret card was illustrated by Mikio Menjo.