![Grubbin [Reverse Holo] #18 Pokémon card from Unbroken Bonds](https://storage.googleapis.com/images.pricecharting.com/1545ec50d8da95a953c96b4c1b2bdd83119e8a3a593bd81084dcffab28c219ad/240.jpg)
Grubbin [Reverse Holo] 18/214
Unbroken Bonds
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Grubbin [Reverse Holo] #18 from Unbroken Bonds currently trades at $1.78 raw, with PSA 10 copies reaching $37.14 — a 20.9x grade premium. The card has moved up 97.8% over the past 30 days and up 147.2% over 90 days, suggesting sustained buying interest.
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
⚠ +78.0%
30d
+97.8%
90d
+147.2%
180d
+278.7%
1y
+8.5%
2y
+38.0%
5y
+154.3%
⚠ Large moves shown in amber — verify against recent sold listings before drawing conclusions.
Quick price facts
Grubbin [Reverse Holo] 18/214 from Unbroken Bonds has a current raw market value of $1.78.
- Current raw value
- $1.78
- PSA 9 value
- $14.29
- PSA 10 value
- $37.14
- Raw value 7d
- +78.0%
- Raw value 30d
- +97.8%
- PSA 10 premium vs raw
- 20.9× raw
Collector Intel
20.9x
Raw → PSA 10
High-risk grade
8.0x
Raw → PSA 9
Grade multiplier
+97.8%
30d Price Move
Rising
Volatile
Price Stability
78.0% 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 21x the raw price. The expected value accounts for the realistic probability.
$2
Buy Raw
~$25
Grading Fee
PSA Standard
$37
PSA 10 Value
+$10
Best Case (PSA 10)
if you pull a 10
Grade Multiples vs Raw
PSA 9$148.0x raw
PSA 10$3720.9x raw