Chansey is card #58 of 123 in HeartGold & SoulSilver (2010), a Common illustrated by Kanako Eo. At about $25.23 it is the #47 most valuable card in the set. In a HeartGold & SoulSilver booster it turns up about once every 7 packs. It is one of 25 Chansey cards printed so far.
1999Base Set
2003Ruby & Sapphire
2005Unseen Forces
2010HeartGold & SoulSilver
2014Phantom Forces
2018Lost Thunder
2021Fusion Strike
2024Twilight Masquerade

















See the full HeartGold & SoulSilver card list
An ungraded Chansey from HeartGold & SoulSilver sells for about $25.23. A PSA 10 is worth more, roughly $202 by our estimate, and a PSA 9 around $70.64.
It is a Common, and it shows up about once every 7 HeartGold & SoulSilver packs.
Kanako Eo drew the art for this card.
Yes, as a digital simulator. Holobrook lets you open HeartGold & SoulSilver 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.