Mew ex is card #88 of 25 in Celebrations: Classic Collection (2021), a Classic Collection illustrated by Ryo Ueda. At about $15.12 it is the #6 most valuable card in the set. In a Celebrations: Classic Collection booster it turns up about once every 6 packs. It is one of 57 Mew cards printed so far.
1999Wizards Black Star Promos
2003Nintendo Black Star Promos
2007Secret Wonders
2011BW Black Star Promos
2016Evolutions
2020Darkness Ablaze
2021Fusion Strike
2022Lost Origin Trainer Gallery

















See the full Celebrations: Classic Collection card list
An ungraded Mew ex from Celebrations: Classic Collection sells for about $15.12. A PSA 10 is worth more, roughly $52.92 by our estimate, and a PSA 9 around $30.24.
It is a Classic Collection, and it shows up about once every 6 Celebrations: Classic Collection packs.
Ryo Ueda drew the art for this card.