
Grubbin 18/214
Unbroken Bonds
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Grubbin #18 from Unbroken Bonds currently trades at $1.14 raw, with PSA 10 copies reaching $35.96: a 31.5x 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
Grubbin 18/214 from Unbroken Bonds has a current raw market value of $1.14.
- Current raw value
- $1.14
- PSA 9 value
- $13.57
- PSA 10 value
- $35.96
- PSA 10 premium vs raw
- 31.5× raw
Collector Intel
31.5x
Raw → PSA 10
High-risk grade
11.9x
Raw → PSA 9
Grade multiplier
Calculated from price history, PSA population data, and market trends. Not financial advice.
Grading Calculator
Figures below are the gross raw-to-PSA-10 spread. PSA grading fees vary by card value and service tier — check psacard.com/services for the fee applicable to this card. Assumes a perfect PSA 10; actual outcome depends on card condition.
⚠️ High-variance grade. PSA 10 is 32x the raw price. The expected value accounts for the realistic probability.
$1
Raw Price
$36
PSA 10 Value
+$35
Gross Premium (PSA 10)
before PSA fees
Grade Multiples vs Raw
PSA 9$1411.9x raw
PSA 10$3631.5x raw

