The Pidgeot (23 / 165) card can be found in the Expedition Base Set set.
Recently sold 2 times and based on those sales is worth around £36.17.
Currently, there are 4 open listings for this card on ebay.
This card sells in the range of £27.47 to £44.87, making it quite stable.
This Rare Holo card was illustrated by Tomokazu Komiya.