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PSA 10: PriceCharting; refreshed Sep 10, 2026
GemDelta shows Professor Elm's Training Method (Dragon Frontiers #79) at $0.67 market price (TCGplayer market). Its Delta multiple is 138x.
A PSA 10 Professor Elm's Training Method (Dragon Frontiers #79) is currently shown at $177. GemDelta labels this as an unverified PriceCharting guide fallback rather than verified recent sales.
GemDelta records a 12.5% gem rate for Professor Elm's Training Method (Dragon Frontiers #79), with 1 PSA 10 copy out of 8 total PSA grades and a 138x Delta. That describes the grading profile; it is not financial advice.