Grade Matrix
PSA
PSA 6
-
PSA 7
-
PSA 8
$14
PSA 9
$35
PSA 10
$100
PSA 10: PriceCharting; refreshed Sep 10, 2026
CGC
CGC 8
-
CGC 9
-
CGC 10
$34
CGC P10
-
Availability
Availabilityi
1/10G: —
Graded: insufficient data · Sales per year: ~42 sales/yr · Graded copies: 5
TCGplayer Price History
Reverse HolofoilProduct 90222Fetched Sep 7, 3:43 AM
TCGplayer market
$4.95
Latest avg sale
$0.00
Units sold
56
Card Value FAQ
How much is Unown M (Mysterious Treasures #66) worth?
GemDelta shows Unown M (Mysterious Treasures #66) at $4.95 market price (TCGplayer market). Its Delta multiple is 29.6x.
How much is a PSA 10 Unown M (Mysterious Treasures #66) worth?
A PSA 10 Unown M (Mysterious Treasures #66) is currently shown at $99.88. GemDelta labels this as an unverified PriceCharting guide fallback rather than verified recent sales.
Is Unown M (Mysterious Treasures #66) worth grading?
GemDelta records a 0.00% gem rate for Unown M (Mysterious Treasures #66), with 0 PSA 10 copies out of 5 total PSA grades and a 29.6x Delta. That describes the grading profile; it is not financial advice.
What is the Reverse Holo version of Unown M (Mysterious Treasures #66) worth?
The Reverse Holo version of Unown M (Mysterious Treasures #66) is shown at $4.95 market price. That value is for this stored card variant, not the base printing.