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Grade Matrix

PSA
PSA 6
-
PSA 7
$7
PSA 8
$33
PSA 9
$95
PSA 10
$111

PSA 10: PriceCharting; refreshed Sep 10, 2026

CGC
CGC 8
-
CGC 9
-
CGC 10
$36
CGC P10
-

Availability

Availabilityi
1/10G: —
Graded: insufficient data · Sales per year: ~47 sales/yr · Graded copies: 78

TCGplayer Price History

Reverse HolofoilProduct 88389Fetched Sep 11, 3:41 AM
TCGplayer market
$47.00
Latest avg sale
$0.00
Units sold
38

Card Value FAQ

How much is Professor Elm's Training Method (Expedition #148) worth?

GemDelta shows Professor Elm's Training Method (Expedition #148) at $47.00 market price (TCGplayer market). Its Delta multiple is 4.45x.

How much is a PSA 10 Professor Elm's Training Method (Expedition #148) worth?

A PSA 10 Professor Elm's Training Method (Expedition #148) is currently shown at $111. GemDelta labels this as an unverified PriceCharting guide fallback rather than verified recent sales.

Is Professor Elm's Training Method (Expedition #148) worth grading?

GemDelta records a 15.4% gem rate for Professor Elm's Training Method (Expedition #148), with 12 PSA 10 copies out of 78 total PSA grades and a 4.45x Delta. That describes the grading profile; it is not financial advice.

What is the Reverse Holo version of Professor Elm's Training Method (Expedition #148) worth?

The Reverse Holo version of Professor Elm's Training Method (Expedition #148) is shown at $47.00 market price. That value is for this stored card variant, not the base printing.