![Bastiodon [Reverse Holo] #21 Pokémon card from Mysterious Treasures](https://storage.googleapis.com/images.pricecharting.com/e733f9d629aeb647765e6dd12bb45d0ea7b9cb620a3bf6ab7b156f50993c1274/240.jpg)
Bastiodon [Reverse Holo] 21/123
Mysterious Treasures
Find this card on eBay
Click here for eBay listings Click here for eBay listings Show eBay Sold Listings Show eBay Sold Listings
Affiliate link · we may earn commission
Bastiodon [Reverse Holo] #21 from Mysterious Treasures currently trades at $3.75 raw, with PSA 10 copies reaching $110.67: a 29.5x grade premium. The card has moved up 49.4% over the past 30 days and up 87.5% 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
Compare on eBay
Affiliate link · we may earn commission
Raw Price Trend
7d
+0.0%
30d
+49.4%
90d
+87.5%
180d
+87.5%
1y
+42.6%
2y
-3.4%
5y
+175.7%
Quick price facts
Bastiodon [Reverse Holo] 21/123 from Mysterious Treasures has a current raw market value of $3.75.
- Current raw value
- $3.75
- PSA 9 value
- $11.65
- PSA 10 value
- $111
- Raw value 30d
- +49.4%
- PSA 10 premium vs raw
- 29.5× raw
Collector Intel
29.5x
Raw → PSA 10
High-risk grade
3.1x
Raw → PSA 9
Grade multiplier
+49.4%
30d Price Move
Rising
Steady
Price Stability
0.0% swing this week
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 30x the raw price. The expected value accounts for the realistic probability.
$4
Raw Price
$111
PSA 10 Value
+$107
Gross Premium (PSA 10)
before PSA fees
Grade Multiples vs Raw
PSA 9$123.1x raw
PSA 10$11129.5x raw

