Koffing
Base · #51 · Common
Market value
$31.84▼ 1.4%30d
PSA 10 price
$692.71(+2076%)
Price history
-1.3% since Oct 3, 2026
Oct 3, 2026Low $31.84 · High $32.69Nov 14, 2026
Series
Base
Artist
Mitsuhiro Arita
Release date
1999/01/09
Region
Kanto
Types
Grass
What grading does to this card
If it grades a PSA 10 (22%)
+$500.83
sells for $692.71
If it does not (78%)
−$38.22
PSA 9 and lower, on average
Grading pays off if more than 7% of copies hit a 10. This card: about 22%. All figures are net of the raw card, grading, shipping and selling fees.
How we weigh the odds
We weigh every outcome by how often PSA-graded copies of this card come back a 10, 9 or 8. The average over all outcomes is the last line below.
22% chance of PSA 10 × $692.71$153.78
39% chance of PSA 9 × $104.61$40.90
21% chance of PSA 8 × $51.67$11.01
17% PSA 7 or lower × $28.66 (90% of raw)$4.99
Expected sale value$210.67
Selling fees (~13%)−$27.39
Raw card−$31.84
Grading (PSA Standard)−$59.99
Shipping both ways−$10.00
Average over all grades (+80%)+$81.45
Pop reports count submitted cards, and people mostly submit their best copies, so the real odds for a random raw card are likely a bit lower.
Buy Signal · Population report
Strong Buy22.3% of PSA-graded copies come back a 10
PSA population
2,824
Graded PSA 10
630
Gem Rate
22.3%
| Grade | PSA |
|---|---|
| 10 | 630 |
| 9 | 1,107 |
| 8.5 | 14 |
| 8 | 588 |
| 7 | 269 |
| 6 | 114 |
| 5 | 62 |
| 4 | 24 |
| 3 | 14 |
| 2 | 6 |
| 1 | 8 |
| Total | 2,824 |
Grade 10 value
What a Grade 10 sells for, by grading company.
PSALeads$692.71
CGC$157.26
Price ladder
Every condition and grade Scrydex tracks for this card.
Raw
NM$31.84
LP$17.58
MP$16.91
HP$13.69
DM$12.42
Graded
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Live raw and graded eBay listings for this card.
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More versions of Koffing
Every other printing of this character across sets.
