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PSA 10: PriceCharting; refreshed Sep 10, 2026
GemDelta shows Professor Elm's Training Method (Unseen Forces #89) at $0.93 market price (TCGplayer market). Its Delta multiple is 33.8x.
A PSA 10 Professor Elm's Training Method (Unseen Forces #89) is currently shown at $48.00. GemDelta labels this as an unverified PriceCharting guide fallback rather than verified recent sales.
GemDelta records a 55.6% gem rate for Professor Elm's Training Method (Unseen Forces #89), with 5 PSA 10 copies out of 9 total PSA grades and a 33.8x Delta. That describes the grading profile; it is not financial advice.