The Zeraora V (SWSH263) card can be found in the Swsh Black Star Promos set.
Recently sold 9 times and based on those sales is worth around £4.25.
Currently, there are 20 open listings for this card on ebay.
This card sells in the range of £2.52 to £5.98, making it very stable.
This is a Promo card.
The fact that it is a V card makes it one of the more valuable cards.