![Brock's Mankey [Corocoro Comics] #56 Pokémon card from Japanese Promo](https://storage.googleapis.com/images.pricecharting.com/drvaz7xgggkjwqrl/240.jpg)
Japanese
Brock's Mankey [Corocoro Comics] #56
Promo· Language: Japanese
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Brock's Mankey [Corocoro Comics] #56 from Japanese Promo currently trades at $6.76 raw, with PSA 10 copies reaching $743.00 — a 109.9x grade premium. The card has gained 23.1% 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
-0.7%
30d
+23.1%
90d
—
180d
—
1y
+62.1%
2y
+142.3%
5y
—
Quick price facts
Brock's Mankey [Corocoro Comics] #56 from Promo has a current raw market value of $6.76.
- Current raw value
- $6.76
- PSA 9 value
- $619
- PSA 10 value
- $743
- Raw value 30d
- +23.1%
- PSA 10 premium vs raw
- 109.9× raw
Collector Intel
109.9x
Raw → PSA 10
High-risk grade
91.6x
Raw → PSA 9
Grade multiplier
+23.1%
30d Price Move
Rising
Steady
Price Stability
0.7% 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 110x the raw price. The expected value accounts for the realistic probability.
$7
Buy Raw
~$25
Grading Fee
PSA Standard
$743
PSA 10 Value
+$711
Best Case (PSA 10)
if you pull a 10
Grade Multiples vs Raw
PSA 9$61991.6x raw
PSA 10$743109.9x raw