The Psyduck (88 / 110) card can be found in the Legendary Collection set.
Recently sold 8 times and based on those sales is worth around £50.99.
Currently, there are 7 open listings for this card on ebay.
This card sells in the range of £32.82 to £69.16, making it quite volatile.
This Common card was illustrated by Mitsuhiro Arita.