![Unown B [Reverse Holo] #66 Pokémon card from Diamond & Pearl](https://storage.googleapis.com/images.pricecharting.com/a4908e09226f1bd5f85d151c2db938a0c96be086050bcf100b8ca63633e620c0/240.jpg)
Unown B [Reverse Holo] 66/130
Diamond & Pearl
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Unown B [Reverse Holo] #66 from Diamond & Pearl currently trades at $4.85 raw, with PSA 10 copies reaching $143.45 — a 29.6x grade premium. The card has moved up 4.3% over the past 30 days and up 50.2% 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
-0.4%
30d
+4.3%
90d
+50.2%
180d
+63.9%
1y
+43.1%
2y
+93.2%
5y
+112.7%
Quick price facts
Unown B [Reverse Holo] 66/130 from Diamond & Pearl has a current raw market value of $4.85.
- Current raw value
- $4.85
- PSA 9 value
- $46.02
- PSA 10 value
- $143
- Raw value 30d
- +4.3%
- PSA 10 premium vs raw
- 29.6× raw
Collector Intel
29.6x
Raw → PSA 10
High-risk grade
9.5x
Raw → PSA 9
Grade multiplier
+4.3%
30d Price Move
Rising
Steady
Price Stability
0.4% 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 30x the raw price. The expected value accounts for the realistic probability.
$5
Buy Raw
~$25
Grading Fee
PSA Standard
$143
PSA 10 Value
+$114
Best Case (PSA 10)
if you pull a 10
Grade Multiples vs Raw
PSA 9$469.5x raw
PSA 10$14329.6x raw