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Unown M [Reverse Holo] #66 Pokémon card from Mysterious Treasures

Unown M [Reverse Holo] 66/123

Mysterious Treasures

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Unown M [Reverse Holo] #66 from Mysterious Treasures currently trades at $3.60 raw, with PSA 10 copies reaching $104.85 — a 29.1x grade premium. Price is down 9.5% in the last 30 days, though the 90-day trend tells a different story at +5.3% — worth watching for a clearer direction.
Current Prices (USD)
Ungraded
$3.60
PSA 7
$12.95
PSA 8
$12.95
PSA 9
$14.21
PSA 10
$104.85
ACE 10
—
BGS 10 Black
$680.00
CGC 10 Pristine
$62.00
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Raw Price Trend
7d
—
30d
-9.5%
90d
+5.3%
180d
+2.6%
1y
+15.0%
2y
-21.1%
5y
—

Quick price facts

Unown M [Reverse Holo] 66/123 from Mysterious Treasures has a current raw market value of $3.60.

Current raw value
$3.60
PSA 9 value
$14.21
PSA 10 value
$105
Raw value 30d
-9.5%
PSA 10 premium vs raw
29.1× raw
View all cards from Mysterious Treasures →
Collector Intel
29.1x
Raw → PSA 10
High-risk grade
3.9x
Raw → PSA 9
Grade multiplier
-9.5%
30d Price Move
Falling

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 29x the raw price. The expected value accounts for the realistic probability.
$4
Buy Raw
~$25
Grading Fee
PSA Standard
$105
PSA 10 Value
+$76
Best Case (PSA 10)
if you pull a 10
Grade Multiples vs Raw
PSA 9$143.9x raw
PSA 10$10529.1x raw

Frequently asked questions

How much is Unown M [Reverse Holo] #66 from Mysterious Treasures worth?+
Unown M [Reverse Holo] #66 from Mysterious Treasures is currently worth Raw: $3.60, PSA 9: $14.21, PSA 10: $105 based on recent sold listings. Prices update daily from real eBay sales.
Is Unown M [Reverse Holo] #66 worth grading?+
The PSA 10 price of $105 is 29.1× the raw price of $3.60. After a ~$25 grading fee, a PSA 10 result would net approximately $101 — assuming the card grades a 10.
Where do PokePrices Unown M [Reverse Holo] #66 prices come from?+
Prices are tracked nightly from real sold listings on PriceCharting (raw, PSA 9 and PSA 10). PSA population data is sourced from PSA's public reports. We do not use asking prices — only confirmed sales.

Recent verified sales

Find this card on eBay →Affiliate · we may earn commission
  • 17 Sep 2026Raw
    ebaycompleted-auctions-usedplayed
    $3.57
  • 17 Sep 2026Raw
    ebaycompleted-auctions-usedunknown
    $2.99
  • 9 Sep 2026Raw
    ebaycompleted-auctions-usedlightly played
    $4.99
  • 5 Sep 2026Raw
    ebaycompleted-auctions-usedunknown
    $3.60
  • 25 May 2026CGC CGC 10
    ebaycompleted-auctions-grade-seventeenunknown
    $34.33