Chinchou is card #48 of 95 in HS—Unleashed (2010), a Common illustrated by sui. At about $4.67 it is the #66 most valuable card in the set. In a HS—Unleashed booster it turns up about once every 5 packs. It is one of 27 Chinchou cards printed so far.
2000Neo Genesis
2004Hidden Legends
2006Legend Maker
2010HS—Unleashed
2013Plasma Freeze
2018Lost Thunder
2020Sword & Shield
2024Stellar Crown

















See the full HS—Unleashed card list
An ungraded Chinchou from HS—Unleashed sells for about $4.67. A PSA 10 is worth more, roughly $37.36 by our estimate, and a PSA 9 around $13.08.
It is a Common, and it shows up about once every 5 HS—Unleashed packs.
sui drew the art for this card.
Yes, as a digital simulator. Holobrook lets you open HS—Unleashed booster packs in your browser with the set's real pull rates and keep what you pull in a digital binder. No real cards, nothing to buy.