![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 $1.37 raw, with PSA 10 copies reaching $39.06 — a 28.5x 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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Quick price facts
Foongus [Reverse Holo] 12/114 from Steam Siege has a current raw market value of $1.37.
- Current raw value
- $1.37
- PSA 9 value
- $19.69
- PSA 10 value
- $39.06
- PSA 10 premium vs raw
- 28.5× raw
Collector Intel
28.5x
Raw → PSA 10
High-risk grade
14.4x
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 29x the raw price. The expected value accounts for the realistic probability.
$1
Buy Raw
~$25
Grading Fee
PSA Standard
$39
PSA 10 Value
+$13
Best Case (PSA 10)
if you pull a 10
Grade Multiples vs Raw
PSA 9$2014.4x raw
PSA 10$3928.5x raw