Butterfree is card #34 of 130 in Base Set 2 (2000), a Uncommon illustrated by Kagemaru Himeno. At about $2.10 it is the #52 most valuable card in the set. In a Base Set 2 booster it turns up about once every 14 packs. It is one of 25 Butterfree cards printed so far.
1999Jungle
2000Base Set 2
2001Neo Discovery
2004FireRed & LeafGreen
2009Supreme Victors
2016Generations
2019Unbroken Bonds
2021Fusion Strike

















See the full Base Set 2 card list
An ungraded Butterfree from Base Set 2 sells for about $2.10. A PSA 10 is worth more, roughly $27.30 by our estimate, and a PSA 9 around $8.40.
It is a Uncommon, and it shows up about once every 14 Base Set 2 packs.
Kagemaru Himeno drew the art for this card.
Yes, as a digital simulator. Holobrook lets you open Base Set 2 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.