The Unown A (14 / 75) card can be found in the Neo Discovery 1st Edition set.
Recently sold 6 times and based on those sales is worth around £30.71.
Currently, there are 3 open listings for this card on ebay.
This card sells in the range of £20.50 to £40.92, making it quite volatile.
This Rare Holo card was illustrated by CR CG gangs.