Ho-Oh ex is card #17 of 17 in POP Series 3 (2006), a Rare illustrated by Mitsuhiro Arita. At about $125 it is the #2 most valuable card in the set. In a POP Series 3 booster it turns up about once every 6 packs. It is one of 38 Ho-Oh cards printed so far.
1999Wizards Black Star Promos
2005Unseen Forces
2006POP Series 3
2007Secret Wonders
2012Dragons Exalted
2016BREAKpoint
2019Hidden Fates Shiny Vault
2022Silver Tempest















See the full POP Series 3 card list
An ungraded Ho-Oh ex from POP Series 3 sells for about $125. A PSA 10 is worth more, roughly $1,625 by our estimate, and a PSA 9 around $500.
It is a Rare, and it shows up about once every 6 POP Series 3 packs.
Mitsuhiro Arita drew the art for this card.