![Iron Boulder [Master Ball] #77 Pokémon card from Japanese Terastal Festival](https://storage.googleapis.com/images.pricecharting.com/corrm35oyoylue65p3vg/240.jpg)
Japanese
Iron Boulder [Master Ball] 77/187
Terastal Festival· Language: Japanese
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Iron Boulder [Master Ball] #77 from Japanese Terastal Festival currently trades at $3.64 raw, with PSA 10 copies reaching $18.24 — a 5.0x 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
+0.0%
30d
—
90d
—
180d
-15.9%
1y
-24.2%
2y
—
5y
—
Quick price facts
Iron Boulder [Master Ball] 77/187 from Terastal Festival has a current raw market value of $3.64.
- Current raw value
- $3.64
- PSA 9 value
- $15.57
- PSA 10 value
- $18.24
- PSA 10 premium vs raw
- 5.0× raw
Collector Intel
5.0x
Raw → PSA 10
Grade multiplier
4.3x
Raw → PSA 9
Grade multiplier
Steady
Price Stability
0.0% 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.
$4
Buy Raw
~$25
Grading Fee
PSA Standard
$18
PSA 10 Value
$-10
Best Case (PSA 10)
if you pull a 10
Grade Multiples vs Raw
PSA 9$164.3x raw
PSA 10$185.0x raw