![Koffing [Reverse Holo] #56 Pokémon card from Plasma Storm](https://storage.googleapis.com/images.pricecharting.com/d68dcbb065ebd79143ba6cdbd409cae80c7a2062e07b9835330bac6d57b91fce/240.jpg)
Koffing [Reverse Holo] 56/135
Plasma Storm
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Koffing [Reverse Holo] #56 from Plasma Storm currently trades at $1.00 raw, with PSA 10 copies reaching $43.00 — a 43.0x grade premium. The card has moved down 43.5% over the past 30 days and down 6.5% over 90 days, suggesting continued softness.
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
-18.7%
30d
-43.5%
90d
-6.5%
180d
+22.0%
1y
-35.9%
2y
-60.8%
5y
-29.6%
Quick price facts
Koffing [Reverse Holo] 56/135 from Plasma Storm has a current raw market value of $1.00.
- Current raw value
- $1.00
- PSA 9 value
- $15.97
- PSA 10 value
- $43.00
- Raw value 7d
- -18.7%
- Raw value 30d
- -43.5%
- PSA 10 premium vs raw
- 43.0× raw
Collector Intel
43.0x
Raw → PSA 10
High-risk grade
16.0x
Raw → PSA 9
Grade multiplier
-43.5%
30d Price Move
Falling
Volatile
Price Stability
18.7% 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 43x the raw price. The expected value accounts for the realistic probability.
$1
Buy Raw
~$25
Grading Fee
PSA Standard
$43
PSA 10 Value
+$17
Best Case (PSA 10)
if you pull a 10
Grade Multiples vs Raw
PSA 9$1616.0x raw
PSA 10$4343.0x raw