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Grade Matrix

Graded
PSA 6
-
Grade 7 guide
$7
Grade 8 guide
$74
PSA 9
$89
PSA 10
$401

PSA 10: PriceCharting · last PSA 10 sale $401.28 on Jul 21, 2026 · checked Oct 26, 2026

PSA 9: Median of 1 PSA 9 sale in the last 90 days, latest 2026-10-23. Grade 9 guide (all graders): $89.

Grade 7 and Grade 8 are PriceCharting guides across all graders (PSA, CGC, BGS, SGC, TAG).

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

Availability

Availabilityi
1/10G: —
Graded: insufficient data · Sales per year: ~47 sales/yr · Recent sales: 1 PSA 10 comp · Raw recent sales: 34 · Grade 9 recent sales: 11 · PSA 10 recent sales: 3 · Graded copies: 80

TCGplayer Price History

Reverse HolofoilProduct 88389Fetched Oct 21, 3:38 AM
Weekly market
$47.00
week ending Oct 19
Weekly avg sale
$0.00
week ending Oct 19
Units sold (week)
0
week ending Oct 19

Card Value FAQ

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

GemDelta shows Professor Elm's Training Method (Expedition #148) at $28.89 market price (TCGplayer market). Its Delta multiple is 13.9x.

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 $401. GemDelta labels this as a PriceCharting guide fallback rather than verified recent sales.

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

GemDelta records a 15.0% gem rate for Professor Elm's Training Method (Expedition #148), with 12 PSA 10 copies out of 80 total PSA grades and a 13.9x 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 $28.89 market price. That value is for this stored card variant, not the base printing.

PSA 10 Recent sales

DateListingSale
Jul 21, 2026Pokemon Professor Elms Training Method 148/165 Expedition Reverse Holo Psa 10 148/165$401.28