Butterfree is card #16 of 123 in HeartGold & SoulSilver (2010), a Rare illustrated by Tomokazu Komiya. At about $22.76 it is the #50 most valuable card in the set. In a HeartGold & SoulSilver booster it turns up about once every 38 packs. It is one of 25 Butterfree cards printed so far.
1999Jungle
2001Neo Discovery
2004FireRed & LeafGreen
2009Supreme Victors
2010HeartGold & SoulSilver
2016Generations
2019Unbroken Bonds
2021Fusion Strike

















See the full HeartGold & SoulSilver card list
An ungraded Butterfree from HeartGold & SoulSilver sells for about $22.76. A PSA 10 is worth more, roughly $182 by our estimate, and a PSA 9 around $63.73.
It is a Rare, and it shows up about once every 38 HeartGold & SoulSilver packs.
Tomokazu Komiya 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.