![Foongus [Reverse Holo] #12 Pokémon card from Steam Siege](https://storage.googleapis.com/images.pricecharting.com/bc1071d71f9933da8555a5e605f1a345f4725d263dab0fbd4a846b8568b6e09b/240.jpg)
Foongus [Reverse Holo] 12/114
Steam Siege
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Foongus [Reverse Holo] #12 from Steam Siege currently trades at $1.56 raw, with PSA 10 copies reaching $41.92: a 26.9x grade premium. The card has lost 7.1% 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
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Raw Price Trend
7d
-11.9%
30d
-7.1%
90d
—
180d
+147.6%
1y
+6.1%
2y
+9.9%
5y
+28.9%
Quick price facts
Foongus [Reverse Holo] 12/114 from Steam Siege has a current raw market value of $1.56.
- Current raw value
- $1.56
- PSA 9 value
- $18.87
- PSA 10 value
- $41.92
- Raw value 7d
- -11.9%
- Raw value 30d
- -7.1%
- PSA 10 premium vs raw
- 26.9× raw
Collector Intel
26.9x
Raw → PSA 10
High-risk grade
12.1x
Raw → PSA 9
Grade multiplier
-7.1%
30d Price Move
Falling
Moderate
Price Stability
11.9% swing this week
Calculated from price history, PSA population data, and market trends. Not financial advice.
Grading Calculator
Figures below are the gross raw-to-PSA-10 spread. PSA grading fees vary by card value and service tier — check psacard.com/services for the fee applicable to this card. Assumes a perfect PSA 10; actual outcome depends on card condition.
⚠️ High-variance grade. PSA 10 is 27x the raw price. The expected value accounts for the realistic probability.
$2
Raw Price
$42
PSA 10 Value
+$40
Gross Premium (PSA 10)
before PSA fees
Grade Multiples vs Raw
PSA 9$1912.1x raw
PSA 10$4226.9x raw

