The Blissey (2 / 64) card can be found in the Neo Revelation 1st Edition set.
Recently sold 4 times and based on those sales is worth around £31.60.
Currently, there are 12 open listings for this card on ebay.
This card sells in the range of £23.95 to £39.25, making it quite stable.
This Rare Holo card was illustrated by Yuka Morii.