![Slugma [1st Edition] #20 Pokémon card from Japanese Mysterious Mountains](https://storage.googleapis.com/images.pricecharting.com/5da5b1436824005c151e23a587615ee016228aacfe592da397852af84fb1e960/240.jpg)
Japanese
Slugma [1st Edition] 20/88
Mysterious Mountains· Language: Japanese
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Slugma [1st Edition] #20 from Japanese Mysterious Mountains currently trades at $5.38 raw, with PSA 10 copies reaching $193.19 — a 35.9x 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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Raw Price Trend
7d
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30d
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90d
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180d
+4.3%
1y
+79.9%
2y
+7.8%
5y
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Quick price facts
Slugma [1st Edition] 20/88 from Mysterious Mountains has a current raw market value of $5.38.
- Current raw value
- $5.38
- PSA 9 value
- $20.96
- PSA 10 value
- $193
- PSA 10 premium vs raw
- 35.9× raw
Collector Intel
35.9x
Raw → PSA 10
High-risk grade
3.9x
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 36x the raw price. The expected value accounts for the realistic probability.
$5
Buy Raw
~$25
Grading Fee
PSA Standard
$193
PSA 10 Value
+$163
Best Case (PSA 10)
if you pull a 10
Grade Multiples vs Raw
PSA 9$213.9x raw
PSA 10$19335.9x raw