The Poliwhirl (88 / 144) card can be found in the Skyridge set.
Recently sold 1 times and based on those sales is worth around £3.35.
Currently, there are 3 open listings for this card on ebay.
This card sells in the range of £3.35 to £3.35, making it very stable.
This Common card was illustrated by Hisao Nakamura.