Riolu is card #GG26 of 70 in Crown Zenith Galarian Gallery (2023), a Trainer Gallery Rare Holo illustrated by Kouki Saitou. At about $9.68 it is the #39 most valuable card in the set. In a Crown Zenith Galarian Gallery booster it turns up about once every 158 packs. It is one of 32 Riolu cards printed so far.
2007Diamond & Pearl
2009Platinum
2012Next Destinies
2016Fates Collide
2018Ultra Prism
2020Vivid Voltage
2023Scarlet & Violet
2024Paldean Fates

















See the full Crown Zenith Galarian Gallery card list
An ungraded Riolu from Crown Zenith Galarian Gallery sells for about $9.68. A PSA 10 is worth more, roughly $33.88 by our estimate, and a PSA 9 around $19.36.
It is a Trainer Gallery Rare Holo, and it shows up about once every 158 Crown Zenith Galarian Gallery packs.
Kouki Saitou drew the art for this card.