Japanese
Koffing 1/128
Expedition Expansion Pack· Language: Japanese
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Koffing #1 from Japanese Expedition Expansion Pack currently trades at $3.84 raw, with PSA 10 copies reaching $166.22 — a 43.3x grade premium.
Current Prices (USD)
Ungraded
PSA 7
PSA 8
PSA 9
PSA 10
ACE 10
BGS 10 Black
CGC 10 Pristine
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Raw Price Trend
7d
—
30d
—
90d
—
180d
+2.4%
1y
+54.2%
2y
+26.7%
5y
—
Quick price facts
Koffing 1/128 from Expedition Expansion Pack has a current raw market value of $3.84.
- Current raw value
- $3.84
- PSA 9 value
- $49.72
- PSA 10 value
- $166
- PSA 10 premium vs raw
- 43.3× raw
Collector Intel
43.3x
Raw → PSA 10
High-risk grade
12.9x
Raw → PSA 9
Grade multiplier
Calculated from price history, PSA population data, and market trends. Not financial advice.
Grading Calculator
Based on PSA Standard tier (~$25 USD). Assumes a perfect PSA 10 result — actual outcome depends on card condition.
⚠️ High-variance grade. PSA 10 is 43x the raw price. The expected value accounts for the realistic probability.
$4
Buy Raw
~$25
Grading Fee
PSA Standard
$166
PSA 10 Value
+$137
Best Case (PSA 10)
if you pull a 10
Grade Multiples vs Raw
PSA 9$5012.9x raw
PSA 10$16643.3x raw