The Exeggutor (23 / 110) card can be found in the Legendary Collection set.
Recently sold 7 times and based on those sales is worth around £27.44.
Currently, there are 2 open listings for this card on ebay.
This card sells in the range of £19.62 to £35.26, making it quite stable.
This Rare card was illustrated by Kagemaru Himeno.