Which Koffing 1st Edition do you have?

Same name, 3× the price: $1.89 to $5.28 raw. The difference is printed on the card — it is just not somewhere most people think to look.

HeartGold Collection · #035 Check the set symbol in the lower right of the illustration, and the copyright year along the bottom edge. Those two identify the print run on every card that has them. $5.28 50% gem Awakening Psychic King · #025 Check the set symbol in the lower right of the illustration, and the copyright year along the bottom edge. Those two identify the print run on every card that has them. $4.98 100% gem Base Expansion Pack · #001 Check the set symbol in the lower right of the illustration, and the copyright year along the bottom edge. Those two identify the print run on every card that has them. $4.29 47% gem ADV Expansion Pack · #001 Check the set symbol in the lower right of the illustration, and the copyright year along the bottom edge. Those two identify the print run on every card that has them. $3.43 27% gem Rocket Gang Strikes Back · #004 Check the set symbol in the lower right of the illustration, and the copyright year along the bottom edge. Those two identify the print run on every card that has them. $2.63 43% gem Plasma Gale · #030 Check the set symbol in the lower right of the illustration, and the copyright year along the bottom edge. Those two identify the print run on every card that has them. $2.49 83% gem Bonds to the End of Time · #044 Check the set symbol in the lower right of the illustration, and the copyright year along the bottom edge. Those two identify the print run on every card that has them. $2.33 83% gem Clash of the Blue Sky · #003 Check the set symbol in the lower right of the illustration, and the copyright year along the bottom edge. Those two identify the print run on every card that has them. $2.25 43% gem Holon Research Tower · #005 Check the set symbol in the lower right of the illustration, and the copyright year along the bottom edge. Those two identify the print run on every card that has them. $2.25 57% gem Expansion Pack 20th Anniversary · #048 Check the set symbol in the lower right of the illustration, and the copyright year along the bottom edge. Those two identify the print run on every card that has them. $1.89 72% gem

We have no hand-checked note for these printings yet, so the guidance above is the general rule rather than something specific to this card.

Prices are raw market value. Click a printing for its full grading verdict — the gem rate, the fees and whether it beats selling raw.