Koffing
HeartGold & SoulSilver · #70/123 · Common
50
Pokémon
Hajime Kusajima
Market Prices
View on TCGPlayerUpdated: 9/8/2026
normal
$0.21
$0.50
$19.98
$0.53
reverse Holofoil
$6.50
$14.75
$258.20
$13.50
Live listings
Sample dataLow ask: $241.95 · 3 active · refreshed just now
Market Signals
Raw NM
$0.80
PriceCharting Ungraded
PSA 10
$42.51
53.1× raw
CGC 10
$26.00
TAG 10
—
PSA Population
5 total
0 at 10
Gem rate 0.0% low sample (n=5)
CGC Population
15 total
2 at 10
Gem rate 13.3% low sample (n=15)
BGS Population
1 total
0 at 10
Gem rate 0.0% low sample (n=1)
CGC full grade distribution
CGC · 0d
CGC 6.5
1
CGC 7.5
1
CGC 8.5
3
CGC 9
7
CGC 10
2
CGC Auth
1
10 = Gem Mint 10. Real counts from CGC; grades with no copies are omitted.
Beckett (BGS) full grade distribution
BGS · 0d
BGS 9
1
10 = BGS 10, 10 Black = Black Label. Real counts from Beckett; grades with no copies are omitted.
Per-grade ladder
real prices · 1 day ago
White = real market price. Blue = estimate (no real sale for that grade) — hover for how it was derived.
PSA
PSA 9
$10.51
PSA 9.5
$12.00
PSA 10
$42.51
CGC
CGC 9
$6.43
est.
CGC 9.5
$7.34
est.
CGC 10
$26.00
CGC 10 Pristine
$47.00
BGS
BGS 9
$13.60
est.
BGS 9.5
$15.53
est.
BGS 10
$55.00
BGS 10 Black
$275.00
TAG · prices estimated; real TAG counts are in the distribution above
TAG 9
$9.46
est.?
TAG 9.5
$10.80
est.?
TAG 10
$38.26
est.?
Real prices from PriceCharting's per-grade table — its generic “Grade N” reflects PSA-graded sales. CGC / BGS / TAG sub-10 grades are estimated from this card's real PSA price at that grade × that grader's 10-to-PSA-10 ratio (this card's own real pair when available, else a ratio calibrated from real catalog cards in the same era and rarity). Grades with no real anchor and low-confidence estimates are omitted — a blank beats a bad number.
Grading ROI (PSA)
Value · $25.99Realistic
$-25.99
using gem rate
If it 10s
$15.72
upside cap
Break-even
62%
gem rate needed
Low PSA sample (5 graded) — gem rate estimate is noisy.
Grading ROI (CGC)
Economy · $18Realistic
$-14.64
using gem rate
If it 10s
$7.20
upside cap
Break-even
71%
gem rate needed
Low CGC sample (15 graded) — gem rate estimate is noisy.
Wrong card matched? Pin the PriceCharting URL
Discovery Scores
Percentile-ranked 0–100 across the whole catalog. See this card in Rankings →
Scored 6 hours ago
Price History
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Card details — attacks, stats, Pokédex, evolution
Attacks
If the Defending Pokémon tries to attack during your opponent's next turn, your opponent flips a coin. If tails, that attack does nothing.
Weakness
Psychic ×2
Resistance
None
Retreat Cost
Pokédex Data
#109
Poison Gas Pokémon
0.6m
1.0kg
"Because it stores several kinds of toxic gases in its body, it is prone to exploding without warning."
Evolution Chain
koffing
weezing