The Machamp (16 / 165) card can be found in the Expedition Base Set set.
Recently sold 1 times and based on those sales is worth around £18.89.
Currently, there are 2 open listings for this card on ebay.
This card sells in the range of £18.89 to £18.89, making it very stable.
This Rare Holo card was illustrated by Shin-ichi Yoshida.