Grade Matrix
PSA
PSA 6
-
PSA 7
-
PSA 8
$20
PSA 9
$19
PSA 10
$73
PSA 10: PriceCharting; refreshed Sep 10, 2026
CGC
CGC 8
-
CGC 9
-
CGC 10
$12
CGC P10
-
Availability
Availabilityi
1/10G: —
Graded: insufficient data · Sales per year: ~70 sales/yr · Graded copies: 44
TCGplayer Price History
NormalProduct 87667Fetched Sep 7, 3:39 AM
TCGplayer market
$0.62
Latest avg sale
$0.25
Units sold
146
Card Value FAQ
How much is Mysterious Fossil (Sandstorm #91) worth?
GemDelta shows Mysterious Fossil (Sandstorm #91) at $0.62 market price (TCGplayer market). Its Delta multiple is 55.4x.
How much is a PSA 10 Mysterious Fossil (Sandstorm #91) worth?
A PSA 10 Mysterious Fossil (Sandstorm #91) is currently shown at $72.51. GemDelta labels this as an unverified PriceCharting guide fallback rather than verified recent sales.
Is Mysterious Fossil (Sandstorm #91) worth grading?
GemDelta records a 4.55% gem rate for Mysterious Fossil (Sandstorm #91), with 2 PSA 10 copies out of 44 total PSA grades and a 55.4x Delta. That describes the grading profile; it is not financial advice.