The Treecko (70 / 106) card can be found in the Emerald set.
Recently sold 1 times and based on those sales is worth around £1.69.
Currently, there are 8 open listings for this card on ebay.
This card sells in the range of £1.69 to £1.69, making it very stable.
This Common card was illustrated by Mitsuhiro Arita.