Koffing 51/102
Base Set
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Koffing #51 from Base Set currently trades at $1.59 raw, with PSA 10 copies reaching $125.00 — a 78.6x grade premium. The card has moved up 51.4% over the past 30 days and up 16.1% over 90 days, suggesting sustained buying interest.
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
-20.1%
30d
+51.4%
90d
+16.1%
180d
+60.6%
1y
-11.7%
2y
-22.8%
5y
+117.8%
Quick price facts
Koffing 51/102 from Base Set has a current raw market value of $1.59.
- Current raw value
- $1.59
- PSA 9 value
- $25.39
- PSA 10 value
- $125
- Raw value 7d
- -20.1%
- Raw value 30d
- +51.4%
- PSA 10 premium vs raw
- 78.6× raw
Collector Intel
78.6x
Raw → PSA 10
High-risk grade
16.0x
Raw → PSA 9
Grade multiplier
+51.4%
30d Price Move
Rising
Volatile
Price Stability
20.1% 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 79x the raw price. The expected value accounts for the realistic probability.
$2
Buy Raw
~$25
Grading Fee
PSA Standard
$125
PSA 10 Value
+$98
Best Case (PSA 10)
if you pull a 10
Grade Multiples vs Raw
PSA 9$2516.0x raw
PSA 10$12578.6x raw