←Mysterious TreasuresMysterious Treasures🃏All Unown cards
Ask about Unown M [Reverse Holo] #66 from Mysterious Treasures
Unown M [Reverse Holo] #66 Pokémon card from Mysterious Treasures

Unown M [Reverse Holo] 66/123

Mysterious Treasures

👁 Watch📊 Add to portfolioFree — no card required to register.
Find this card on eBay

Affiliate link · we may earn commission

Unown M [Reverse Holo] #66 from Mysterious Treasures currently trades at $3.92 raw, with PSA 10 copies reaching $91.80 — a 23.4x grade premium. The card has moved down 12.3% over the past 30 days and down 4.2% over 90 days, suggesting continued softness.
Current Prices (USD)
Ungraded
$3.92
PSA 7
$14.00
PSA 8
$14.00
PSA 9
$31.88
PSA 10
$91.80
ACE 10
—
BGS 10 Black
$595.00
CGC 10 Pristine
$62.00
Compare on eBay

Affiliate link · we may earn commission

Raw Price Trend
7d
-9.9%
30d
-12.3%
90d
-4.2%
180d
-9.9%
1y
-3.5%
2y
-34.2%
5y
—

Quick price facts

Unown M [Reverse Holo] 66/123 from Mysterious Treasures has a current raw market value of $3.92.

Current raw value
$3.92
PSA 9 value
$31.88
PSA 10 value
$91.80
Raw value 7d
-9.9%
Raw value 30d
-12.3%
PSA 10 premium vs raw
23.4× raw
View all cards from Mysterious Treasures →
Collector Intel
23.4x
Raw → PSA 10
High-risk grade
8.1x
Raw → PSA 9
Grade multiplier
-12.3%
30d Price Move
Falling
Moderate
Price Stability
9.9% 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 23x the raw price. The expected value accounts for the realistic probability.
$4
Buy Raw
~$25
Grading Fee
PSA Standard
$92
PSA 10 Value
+$63
Best Case (PSA 10)
if you pull a 10
Grade Multiples vs Raw
PSA 9$328.1x raw
PSA 10$9223.4x 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: $3.92, PSA 9: $31.88, PSA 10: $91.80 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 $91.80 is 23.4× the raw price of $3.92. After a ~$25 grading fee, a PSA 10 result would net approximately $87.88 — 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
  • 25 Jul 2026Raw
    ebaycompleted-auctions-usedpoor
    $1.99
  • 25 Jul 2026Raw
    tcgplayercompleted-auctions-usednear mint
    $8.75
  • 14 Jun 2026Raw
    ebaycompleted-auctions-usedplayed
    $3.00
  • 10 Jun 2026Raw
    ebaycompleted-auctions-usedunknown
    $4.29
  • 4 Jun 2026Raw
    tcgplayercompleted-auctions-usednear mint
    $5.00