![Koffing [1st Edition] #1 Pokémon card from Japanese Expedition Expansion Pack](https://storage.googleapis.com/images.pricecharting.com/c869e16b971394d2b37585e6eee4097d460fca06b3e3a1fbfcbffe522ddb0289/240.jpg)
Japanese
Koffing [1st Edition] 1/128
Expedition Expansion Pack· Language: Japanese
Find this card on eBay
Click here for eBay listings Click here for eBay listings Show eBay Sold Listings Show eBay Sold Listings
Affiliate link · we may earn commission
Koffing [1st Edition] #1 from Japanese Expedition Expansion Pack currently trades at $4.71 raw, with PSA 10 copies reaching $152.14 — a 32.3x grade premium. The card has lost 2.1% over the past 30 days.
Current Prices (USD)
Ungraded
PSA 7
PSA 8
PSA 9
PSA 10
ACE 10
BGS 10 Black
CGC 10 Pristine
Compare on eBay
Affiliate link · we may earn commission
Raw Price Trend
7d
+3.3%
30d
-2.1%
90d
—
180d
—
1y
+87.6%
2y
+27.6%
5y
—
Quick price facts
Koffing [1st Edition] 1/128 from Expedition Expansion Pack has a current raw market value of $4.71.
- Current raw value
- $4.71
- PSA 9 value
- $28.56
- PSA 10 value
- $152
- Raw value 7d
- +3.3%
- Raw value 30d
- -2.1%
- PSA 10 premium vs raw
- 32.3× raw
Collector Intel
32.3x
Raw → PSA 10
High-risk grade
6.1x
Raw → PSA 9
Grade multiplier
-2.1%
30d Price Move
Falling
Steady
Price Stability
3.3% swing this week
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 32x the raw price. The expected value accounts for the realistic probability.
$5
Buy Raw
~$25
Grading Fee
PSA Standard
$152
PSA 10 Value
+$122
Best Case (PSA 10)
if you pull a 10
Grade Multiples vs Raw
PSA 9$296.1x raw
PSA 10$15232.3x raw