The Origin Forme Palkia VSTAR (259 / 172) card can be found in the Vstar Universe Jp set.
Recently sold 13 times and based on those sales is worth around £41.00.
Currently, there are 5 open listings for this card on ebay.
This card sells in the range of £31.25 to £50.75, making it quite stable.
This Ultra Rare card was illustrated by AKIRA EGAWA.