![Slowbro [Reverse Holo] #20 Pokémon card from Go](https://storage.googleapis.com/images.pricecharting.com/f85eb55eb98aa82a8612b37fa7a825be047efcac188d36c8065bf3ac50c0bbe4/240.jpg)
Slowbro [Reverse Holo] 20/78
Go
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Slowbro [Reverse Holo] #20 from Go currently trades at $1.44 raw, with PSA 10 copies reaching $54.00 — a 37.5x 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
Slowbro [Reverse Holo] 20/78 from Go has a current raw market value of $1.44.
- Current raw value
- $1.44
- PSA 9 value
- $44.92
- PSA 10 value
- $54.00
- PSA 10 premium vs raw
- 37.5× raw
Collector Intel
37.5x
Raw → PSA 10
High-risk grade
31.2x
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 38x the raw price. The expected value accounts for the realistic probability.
$1
Buy Raw
~$25
Grading Fee
PSA Standard
$54
PSA 10 Value
+$28
Best Case (PSA 10)
if you pull a 10
Grade Multiples vs Raw
PSA 9$4531.2x raw
PSA 10$5437.5x raw