Koffing Base Set 1st Edition #51
Base Set 1999 · #51 · updated 2026-11-03
| Price | 30d | 1y | |
|---|---|---|---|
| PSA 10 most traded | $711 | ▼2% | ▲90% |
| PSA 9 | $110 | — | ▲95% |
| Raw | $0.83 | — | ▼95% |
| Pokémon index | — | ▲26% | ▲97% |
| Koffing index | — | ▲14% | ▲64% |
| Base Set set index | — | ▲6% | ▲60% |
| Grade | Price | 30d | 1y |
|---|---|---|---|
| PSA 10 | $711 | 3 | ▲ 90% |
| PSA 9 | $110 | 0 | ▲ 95% |
| PSA 8.5 | $41.50 | 0 | — |
| PSA 8 | $30.00 | 0 | ▼ 13% |
| PSA 7 | $38.00 | 0 | ▼ 16% |
| PSA 6 | $31.00 | 0 | — |
| PSA 5 | $45.00 | 0 | — |
| PSA 4 | $15.00 | 0 | — |
| PSA 3 | $36.00 | 0 | — |
| PSA 2 | $10.80 | 0 | — |
| Raw | $0.83 | 3 | ▼ 95% |
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About Koffing Base Set 1st Edition #51
Koffing Base Set 1st Edition #51 is a 1999 Pokémon card from Base Set, number 51. Right now a PSA 10 sells for about $711; a PSA 9 sells for about $110; a PSA 8 sells for about $30.00; an ungraded copy sells for about $0.83, each the median of the newest three recorded sales inside 30 days.
We hold 1,136 recorded sales of this card going back to 2018-03, 6 of them in the last 30 days. By venue: eBay 79%, Fanatics 19%, Alt 1%. The most traded grade over the last 90 days is PSA 10, up 90% on a year ago.
Over the same year, all Pokémon cards up 97%; Koffing cards up 64%; Base Set cards up 60%, so this card has trailed the market it belongs to. The chart above plots those indices against the card.
PSA has graded 630 copies at PSA 10 and PSA 9 1,104, PSA 8 582, PSA 6 112. Population as of 2026-10-25, from PSA's cert records.
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Koffing Base Set 1st Edition #51 questions
How much is a Koffing Base Set 1st Edition #51 worth?
About $711 in PSA 10, the most traded grade and an ungraded copy about $0.83. Prices are the median of the newest three recorded sales inside 30 days.
How much is a PSA 10 Koffing Base Set 1st Edition #51?
About $711, 3 PSA 10 sales in the last 30 days, up 90% on a year ago. PSA has graded 630 copies at 10.
How much is an ungraded Koffing Base Set 1st Edition #51 worth?
Raw copies sell for about $0.83, 3 sales in the last 30 days. Condition drives raw prices more than any grade does.
Is Koffing Base Set 1st Edition #51 going up in value?
In PSA 10 it is up 90% over the last year and down 2% over 30 days. All Pokémon cards up 97% over the same year. Koffing up 64% over the same year. Base Set up 60% over the same year.
What is the PSA 10 premium on Koffing Base Set 1st Edition #51?
A PSA 10 sells for 6.5x a PSA 9 right now ($711 against $110).
Where can I buy a Koffing Base Set 1st Edition #51?
The Deals section on this page lists every auction of this card ending inside 24 hours and every Buy It Now the deal finder is pricing, each against the comp for its grade. Tap one to open it on eBay, or open the deal finder for every card.
What is the PSA population of Koffing Base Set 1st Edition #51?
PSA 10: 630; PSA 9: 1,104; PSA 8: 582; PSA 6: 112. As of 2026-10-25.