The Sabrina's Alakazam (16 / 132) card can be found in the Gym Challenge Unlimited set.
Recently sold 26 times and based on those sales is worth around £21.52.
Currently, there are 29 open listings for this card on ebay.
This card sells in the range of £6.23 to £36.81, making it quite volatile.
This Rare Holo card was illustrated by Ken Sugimori.