![Amoonguss [Reverse Holo] #13 Pokémon card from Steam Siege](https://storage.googleapis.com/images.pricecharting.com/a1b6c29f3dac2996fa5c1c1c65c3caf051c804c78464e343afcb33574aac0431/240.jpg)
Amoonguss [Reverse Holo] 13/114
Steam Siege
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Amoonguss [Reverse Holo] #13 from Steam Siege currently trades at $0.47 raw, with PSA 10 copies reaching $33.50 — a 71.3x grade premium. The card has moved down 4.1% over the past 30 days and down 2.1% 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
-13.0%
30d
-4.1%
90d
-2.1%
180d
-52.5%
1y
-72.2%
2y
-71.0%
5y
-68.0%
Quick price facts
Amoonguss [Reverse Holo] 13/114 from Steam Siege has a current raw market value of $0.47.
- Current raw value
- $0.47
- PSA 9 value
- $30.00
- PSA 10 value
- $33.50
- Raw value 7d
- -13.0%
- Raw value 30d
- -4.1%
Collector Intel
71.3x
Raw → PSA 10
High-risk grade
63.8x
Raw → PSA 9
Grade multiplier
-4.1%
30d Price Move
Falling
Moderate
Price Stability
13.0% 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 71x the raw price. The expected value accounts for the realistic probability.
$0
Buy Raw
~$25
Grading Fee
PSA Standard
$34
PSA 10 Value
+$8
Best Case (PSA 10)
if you pull a 10
Grade Multiples vs Raw
PSA 9$3063.8x raw
PSA 10$3471.3x raw