Koffing is card #243 of 236 in Cosmic Eclipse (2019), a Rare Secret illustrated by Hyogonosuke. At about $37.93 it is the #40 most valuable card in the set. In a Cosmic Eclipse booster it turns up about once every 1,980 packs. It is one of 29 Koffing cards printed so far.
1999Base Set
2002Expedition Base Set
2005Deoxys
2009Rising Rivals
2011Call of Legends
2016Evolutions
2019Cosmic Eclipse
2021Shining Fates

















See the full Cosmic Eclipse card list
An ungraded Koffing from Cosmic Eclipse sells for about $37.93. A PSA 10 is worth more, roughly $190 by our estimate, and a PSA 9 around $87.24.
It is a Rare Secret, and it shows up about once every 1,980 Cosmic Eclipse packs.
Hyogonosuke drew the art for this card.
Yes, as a digital simulator. Holobrook lets you open Cosmic Eclipse 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.